000 00258nam a2200097 4500
245 _aMolecular basis of mutation.
_cbyJohn W. Drake.
100 _aDrake, John W.
260 _aSanfrancisco.
_bHolden-day.
_cc1970
300 _a273p.; 24cm.
082 _a575.292
_bDRA
999 _c22167
_d22167