000 00255nam a2200097Ia 4500
008 220204s9999 xx 000 0 und d
082 _a543.21
_bREC.4
245 0 _aRecent developments in seperation science. V 4
260 _aFlorida
_bCRC
_c1978
942 _cBK
999 _c31236
_d31236