000 00284nam a2200121Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a574
100 _aPamea S.Camp
245 0 _aExplring biology
260 _aPhiladelphia
_bSamders college pub
_c1981
942 _cPR
999 _c40025
_d40025