Proceedings of the 1979 british crop protection conference on pests and diseases, vol1
- Worcester, British crop protection council 1979
- 302
0-901436550
Pests/ plant diseases/ weeds/ pest control
632. 90942 PRO.01
115
0-901436550
Pests/ plant diseases/ weeds/ pest control
632. 90942 PRO.01
115