00371pam a2200133 a 4500020002000000041000800020082001700028100001400045245007500059250001200134260005200146300001000198653002900208  a9788181282859c  aeng  a543.089bSTA  aStahl, E.  aThin - Layer Chromatography : A Laboratory HandbookhTextual Documents  a2nd ed.  aNew DelhibSpringer International Editionc2005  a1041.  aChromatographic Analysis