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![]() | Oak and oak bark as tanning wood. Publication year: 1967 Language: Spanish Holm oak and oak bark are one of the most important tannic raw materials in Spain. Both by using them directly for tanning and by using the extracts produced from them, good quality leathers are obtai... Free eBook |
![]() | Linear Regression. E. Carbonell; J.B. Denis; R. Calvo; F. González; V. Pruñosa Publication year: 1983 Language: Spanish ... Free eBook |
![]() | H.T. Nº 57. 57. Jojoba Publication year: 1984 Language: Spanish Jojoba has a current or future interest and must be the subject of agronomic research to find out what it can give. The interest is twofold, firstly economic and secondly because it requires minimal n... Free eBook |
![]() | Ecological barriers for the selection of “Trifolium subterraneum” and some other grazing annuals Publication year: 1982 Language: Spanish, with brief summary in English ... Free eBook |