000 00284nam a2200121Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aNichols, David
245 0 _aEchinoderms
250 _a3RD ED.
260 _bW.B. Saunders Company
_aLondon
_c1970
650 _aZoology
942 _cBK
999 _c8682
_d8682