00281nam a2200097Ia 4500008004100000082001800041100001900059245004800078260003600126300002100162240817s9999    xx            000 0 und d  a668.37 D281,h  aDavidson, R.L. 0aHandbook of water soluble gums and resins .  c1980a New Yorkb Mcgraw - hill  aVarious pages p.