Insect photoperiodism
Beck, Stanley D
Insect photoperiodism - 2 - Academic Press, New York 1980 - - .
Insects (Entomology)
595.7 BEC-I2
Insect photoperiodism - 2 - Academic Press, New York 1980 - - .
Insects (Entomology)
595.7 BEC-I2