TY  - BOOK
AU  - Welch, R.M.
AU  - Gabelman, W. H.
TI  - Crops as sources of nutrients for humans: : proceedings of a symposium
T2  - Publication special
U1  - 641.1 
PY  - 1984///
CY  - Madison, Wis.
PB  - Soil Science Society of America
KW  - Alimentos
KW  - Valor nutritivo
ER  -