00261nam a2200109Ia 4500008004000000041000800040082001300048100002000061245002900081260003300110300000800143210210b1936   xxu||||| |||| 00| 0 eng d  aeng  a540 BAYP  aBAYLEY (Thomas)  aPocket book for chemists  aLondonbE & F N Spon.,c1936  a460