000 00302nam a2200121Ia 4500
008 220201s1967 xx 000 0 eng d
082 _bZWE
100 _aZweing, G. etc.
245 0 _aPaper chromatography and electrophorsis
260 _aNew York
_bAcademic Pub.
_c1967
300 _a420
942 _2ddc
999 _c17928
_d17928