TY  - BOOK
AU  - "Stapley, J. H. "
TI  - World crop protection v.1
U1  - 632.9:633 / 635(100) K9.1 
PB  - "Iliffe books ltd, 1969"
KW  - " Gayner, F. C. H."
KW  - Pests and diseases
ER  -