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| Rights | Preview | Issue Date | Title | Author(s) | Type |
| closedAccess | | 1995 | 13C and 15N NMR analysis of some fungal melanins in comparison with soil organic matter | Knicker, Heike CSIC ORCID ; Almendros Martín, Gonzalo CSIC ORCID ; González-Vila, Francisco Javier CSIC ORCID ; Lüdemann, H.-D.; Martín Martínez, Francisco | artículo |
| openAccess |  | 19-Jan-1978 | 13C nuclear magnetic resonance spectra of fungal melanins | González-Vila, Francisco Javier CSIC ORCID ; Sáiz-Jiménez, Cesáreo CSIC ORCID ; Lentz, Harro; Lüdemann, H.-D. | artículo |
| closedAccess |  | 1996 | 13C- and 15N-NMR spectroscopic examination of the transformation of organic nitrogen in plant biomass during thermal treatment | Knicker, Heike CSIC ORCID ; Almendros Martín, Gonzalo CSIC ORCID ; González-Vila, Francisco Javier CSIC ORCID ; Martín Martínez, Francisco; Lüdemann, H.-D. | artículo |
| openAccess |  | 2001 | 13C-NMR of forest soil lipids | Almendros Martín, Gonzalo CSIC ORCID ; Tinoco, Pilar; González-Vila, Francisco Javier CSIC ORCID ; Lüdemann, H.-D.; Sanz Perucha, Jesús CSIC; Velasco de Pedro, F. | artículo |
| openAccess |  | 1983 | 13C-NMR structural features of soil humic acids and their methylated, hydrolyzed and extracted derivatives | González-Vila, Francisco Javier CSIC ORCID ; Lüdemann, H.-D.; Martín Martínez, Francisco | artículo |
| closedAccess |  | 1996 | A simple wet chemical extraction procedure to characterize soil organic matter (Som): 3. Results of vegetation, crop litter, and forest litter in comparison to data as revealed with CPMAS 13NMR spectroscopy and pyrolysis‐field ionization mass spectroscopy | Beyer, Lothar; Fründ, R.; Wachendorf, C.; Knicker, Heike CSIC ORCID ; Sorge, C.; Köbbermann, C.; Schulten, H. R.; Lüdemann, H.-D.; Blume, Hans P. | artículo |
| closedAccess |  | Apr-1991 | Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts | Almendros Martín, Gonzalo CSIC ORCID ; Fründ, R.; González-Vila, Francisco Javier CSIC ORCID ; Haider, K. M.; Knicker, Heike CSIC ORCID ; Lüdemann, H.-D. | artículo |
| openAccess |  | 2004 | Analysis of carbon and nitrogen forms in soil fractions after the addition of 15N-compost by 13C and 15N nuclear magnetic resonance | Tinoco, Pilar; Almendros Martín, Gonzalo CSIC ORCID ; González-Vila, Francisco Javier CSIC ORCID ; Lankes, U.; Lüdemann, H.-D. | artículo |
| openAccess |  | 1989 | Analysis of quantitative C 13 and N 15 CPMAS NMR spectra of soil organic matter and composts | Fründ, R.; Haider, K. M.; Almendros Martín, Gonzalo CSIC ORCID ; González-Vila, Francisco Javier CSIC ORCID ; Lüdemann, H.-D. | póster de congreso |
| closedAccess |  | 1997 | Characterization of nitrogen in plant composts and native humic material by natural-abundance 15N CPMAS and solution NMR spectra | Knicker, Heike CSIC ORCID ; Fründ, R.; Lüdemann, H.-D. | capítulo de libro |
| closedAccess |  | 2001 | Comparison of the information gained by pyrolytic techniques and NMR spectroscopy on the structural features of aquatic humic substances | González-Vila, Francisco Javier CSIC ORCID ; Lankes, U.; Lüdemann, H.-D. | artículo |
| openAccess |  | 1987 | Comparison of the solid state CPMAS and solution carbon-13-NMR spectra of humic acids extracted from composted municipal refuse | Fründ, R.; González-Vila, Francisco Javier CSIC ORCID ; Lüdemann, H.-D.; Martín Martínez, Francisco | artículo |
| openAccess |  | 1994 | Comparison of the structures of some fungal melanins with humic substances by C-13 and N-15 CPMAS NMR | Knicker, Heike CSIC ORCID ; Almendros Martín, Gonzalo CSIC ORCID ; González-Vila, Francisco Javier CSIC ORCID ; Lüdemann, H.-D.; Martín Martínez, Francisco | comunicación de congreso |
| openAccess |  | 1992 | CPMAS carbon-13 NMR study of lignin preparations from wheat straw transformed by five lignocellulose-degrading fungi | Almendros Martín, Gonzalo CSIC ORCID ; Martínez, Ángel T. CSIC ORCID ; González Becerra, Aldo E.; González-Vila, Francisco Javier CSIC ORCID ; Fründ, R.; Lüdemann, H.-D. | artículo |
| openAccess |  | 1976 | FT - C13 nuclear magnetic resonance spectra of natural humic substances | González-Vila, Francisco Javier CSIC ORCID ; Lentz, Harro; Lüdemann, H.-D. | artículo |
| openAccess |  | 1997 | Incorporation studies of NH+4 during incubation of organic residues by 15N-CPMAS-NMR-spectroscopy | Knicker, Heike CSIC ORCID ; Lüdemann, H.-D.; Haider, K. M. | artículo |
| openAccess |  | 2000 | Monitoring by 13C and 15N CPMAS NMR the incorporation to soil of the organic fractions from 15N-labelleo compost | Tinoco, Pilar; González-Vila, Francisco Javier CSIC ORCID ; Almendros Martín, Gonzalo CSIC ORCID ; Lankes, U.; Lüdemann, H.-D. | comunicación de congreso |
| openAccess |  | Apr-1995 | N-15 and C-13 CPMAS and solution NMR studies of N-15 enriched plant material during 600 days of microbial degradation | Knicker, Heike CSIC ORCID ; Lüdemann, H.-D. | artículo |
| openAccess |  | 1987 | NMR and ESR investigation of the humification processes in defined vegetable starting materials | Almendros Martín, Gonzalo CSIC ORCID ; Fründ, R.; González-Vila, Francisco Javier CSIC ORCID ; Lüdemann, H.-D.; Martín Martínez, Francisco | artículo |
| openAccess | | 2000 | Physical and chemical speciation of nitrogen in peat and derived humic fractions as revealed by 15N- and 13C-NMR under quantitative acquisition conditions | Almendros Martín, Gonzalo CSIC ORCID ; Tinoco, Pilar; Lankes, U.; Lüdemann, H.-D.; González-Vila, Francisco Javier CSIC ORCID | comunicación de congreso |
