TY  - BOOK
AU  - Centre d'Etude de I'Azote
AU  - Geus, De J.G.
TI  - 1970 Fertilizer Guide: for Food Grains in the Tropics and Subtropics
PY  - 1970///
CY  - Zurich
PB  - Centre d'Etude de I'Azote
KW  - Food Grains in the Tropics and Subtropics
ER  -