000 00286nam a2200133Ia 4500
008 160316s1961 xxu||||| |||| 00| 0 eng d
020 _a
100 _aBeck,D E
245 _aInvertebrate Zoology
250 _a
260 _aU.S.A.
_bBURGESS PUB.
_c1961
300 _a290
700 _a
_a
999 _c19866
_d19866