TY  - BOOK
AU  - R.O. Whyte
TI  - Crop production and environment
U1  - 633 
PY  - 1960///
CY  - London
PB  - Faber and Faber
N1  - R.O. Whyte: Crop production and environment.  London.  Faber and Faber, 1960.--(633WHY)
ER  -