000 00294nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aShellard
245 0 _aQuantitative paper and their layer chromatography
260 _bAcademic press
260 _c1968
365 _b38.25
942 _cBK
999 _c199152
_d199152