000 00393nam a2200121Ia 4500
008 160316s9999 xxu||||| |||| 00| 0 eng d
100 _aDrake, John W
245 _aThe molecular basis of mutation
260 _aLondon
_bHolden Day
_c1970
300 _a273p
650 _aMutations
999 _c8463
_d8463