00317nam a2200109Ia 4500008004100000082001500041100001700056245002400073260003200097630001800129650006000147211109s9999||||xx |||||||||||||| ||und|| a541bTHO-P aThomas A O,  0aPractical Chemistry bCo-Op StoreaKottayamc1975 xGeneral Stack aNatural SciencexChemistryPhysical ChemistryvGeneralia