00471nam a2200205Ia 4500008004000000041000800040082001100048100002000059245005900079250000500138260003400143300000800177650001100185650001500196650001500211650000700226650001200233650001400245650000600259210210b1925   xxu||||| |||| 00| 0 eng d  aeng  a544/84  aHATSCHEK (Emil)  aLaboratory manual of elementary colloid chemistry Ed 2  a  aLondonbJ & A Churchillc1925  a153  amanual  aLaboratory  aelementary  aEd  acolloid  achemistry  a2