000 00334 a2200169 4500
260 _bElsevier
300 _a203p.
245 _aChriomatography of steroids
260 _aAmsterdam
300 _bIll.
260 _c1976
130 _lEn
100 _aHEFTMANN, E.
690 _achromatographie
999 _c25356
_d25356