TY  - BOOK
AU  - Day, P.R.
AU  - Day, P.R.
TI  - Biotechnology and crop improvement and protection: Proceedings of a sympsoium organized by the british crop protection council, with the suppot of the society of chemical industry, held at Churchill college, Combeidge
PY  - 1986///
CY  - Thornton
PB  - Heath BCPC
ER  -