TY  - BOOK
AU  - Knipling,E.F.
AU  - Gilmore,J.E.
TI  - Population density relationships between hymenopterous parasites and their aphid hosts--a theoretical study
U1  - 632.79 
PY  - 1971///
CY  - Washington, D.C.
PB  - U.S. Agricultural Research Service
KW  - Aphidiidae
KW  - Insects
KW  - Parasites
ER  -