000 00268nam a22001217a 4500
020 _a0702004251
050 _aMED QH324.9
_bC4M33
100 _aMccall,J.S
245 _aUtracentrifugation
260 _alondon
_bBailliere Tindal
_c1972
300 _ax,126p
942 _cBK
999 _c14735
_d14735