000 00245 a2200121 4500
008 151002tOct.-Dec. 1985
245 _aMutation Research
250 _aVol. 158
260 _aU.S.A.
260 _bELSEVIER
260 _cOct.-Dec. 1985
942 _cBV
999 _c4180
_d4180