1. Effect of chemical modifications on peat humic acid and their bearing on some agrobiological characteristics of soils;Almendros;Communications in Soil Science and Plant Analysis,1994
2. A structural study on the soil humin fraction. Boron trifluoride-methanol transesterification of soil humin preparations;Almendros;Soil Biology & Biochemistry,1991
3. Almendros G., Fründ R., Martin F. and González-Vila F. J. (1994) Spectroscopic characteristics of derivatized humic acids from peat in relation to soil properties and plant growth. In Humic Substances in the Global Environment and Implications in Human Health, eds N. Senesi and T. M. Miano, pp. 213–218. Elsevier Science B.V., Amsterdam
4. Preservation of aliphatic macromolecules in soil humins;Almendros;Organic Geochemistry,1996
5. Contribución al estudio del subsistema edáfico en los ecosistemas climácicos del Sistema Central (España) II. Caracterización fisicoquı́mica del humus en los ecosistemas del Puerto de la Quesera (Macizo de Ayllón);Almendros;Revue d'Ecologie et Biologie du Sol,1982