TY  - BOOK
ED  -  Food and Agricultural Organization of the United Nations. Statistics Division.
TI  -  Statistics of crop response to fertilizers
PY  - 1966///
CY  -  Rome , 
KW  -  Fertilizers and manures
KW  -  Mathematical models
KW  -  Economic aspects
N1  -  Bibliography : (p. [66])
ER  -