Introduction to applied entomology
Baerg, W.J.
Introduction to applied entomology by W.J. Baerg - 2nd edn. - Minneapolis 1942 - 146 p.
Entomology
595.7 / B 141 I
Introduction to applied entomology by W.J. Baerg - 2nd edn. - Minneapolis 1942 - 146 p.
Entomology
595.7 / B 141 I