TY  - BOOK
AU  - Rose Chaffin, William Edwin.
TI  - The biology and ecology of Dendroctonus valens Lex.; and the biology, ecology and control of Dendroctonus frontalis (=Mexicanus) Zim In Central Mexico
PY  - 1966///
CY  - (s.l.)
PB  - The Author
KW  - Dendroctonus frontalis
KW  - Dendroctonus valens
N1  - Thesis (Doctor of Philosophy) -- University of Massachusetts. Graduate School
ER  -