TY  - BOOK
AU  - Pyenson, Louis L.
TI  - Fundamentals of entomology and plant pathology
U1  - 595.7 
PY  - 1977///
CY  - Westport, Coon.
PB  - AVI
KW  - EntomologÃ­a
KW  - FitopatologÃ­a
ER  -