TY  - BOOK
AU  - Ruggles, A. G
TI  - Spraying for the plum curculio
CY  - St. Anthony Park, Minn
PB  -  University of Minnesota. Agricultural Experiment Station
KW  - Conotrachelus nenuphar  Ciruela
KW  -  Plagas  Curculiónidos
ER  -