000 00309nam a2200121Ia 4500
100 _aMangelsdorf, Paul C
020 _a0-674-17175-6
942 _cBK
245 _aCorn
_bits origin evolution and improvement
260 _aFellows of harward college, Cambridge
_c1974
082 _a633.15 Man
300 _axv,262
999 _c20803
_d20803