General zoology /
Usinger, Robert L.
General zoology / - 6th ed. - New York : McGraw-Hill, c1979 - ix, 902, p ; ill.
Cir. 591 G286 / c1979
General zoology / - 6th ed. - New York : McGraw-Hill, c1979 - ix, 902, p ; ill.
Cir. 591 G286 / c1979