TY  - BOOK
ED  - International Congress of Soil Science
TI  - Transactions of 7th international congress of soil science
U1  -  631.4063 
PY  - 1961///
CY  - Amsterdam
PB  - International Socity of Soil Science
KW  - Soil formation
KW  - Soil science
N1  - Vol. 1 Official cmmunications. -v.2 Commission ii soil chemistry. -v.3 Commission iv fertility and nutrition. -v.4 Genesis, classification, cartography
ER  -