000 00266nam a22001217a 4500
003 OSt
008 241015b |||||||| |||| 00| 0 eng d
082 _a574.8732
_bN90
245 _aNucleic Acids research vol.-9
260 _c1981
300 _a5-8
942 _2ddc
_cPER
999 _c46524
_d46524