000 00282nam a2200109Ia 4500
008 180611s9999||||xx |||||||||||||| ||und||
041 _aen
100 _aSHEPPARD P.M
245 0 _aNatural selection and heredity
260 _bLondon, Hutchinson university
_clibrary 1959
942 _cLL
999 _c1160
_d1160