TY  - BOOK
AU  - Tejada, Luis Orlando.
TI  - Evaluation of the effectiveness of some general predators at different predatos-prey densites, with special reference to their attack on Heliothis zea (Boddie)
PY  - 1971///
CY  - Riverside, Cal.
PB  - The author
KW  - Control biológico de insectos
KW  - Heliothis (Helicoverpa) zea
N1  - Tesis (Ph. D.) -- Univ. of California
ER  -