Textbook of entomology
Ross, H.H.
Textbook of entomology by H.H. Ross - 2nd edn. - New York 1956 - xi, 519 p.
Entomology
595.7 / R 824 T
Textbook of entomology by H.H. Ross - 2nd edn. - New York 1956 - xi, 519 p.
Entomology
595.7 / R 824 T