00302nam a2200109Ia 4500008004100000082002100041100001800062245002400080260004500104300000800149650003500157120425s9999    xx            000 0 und d  a 541.2254  CHA-I  a Chatwal, G R  a Inorganic polymers  b Himalaya Publishing House, Bombayc1996  a284  a Polymers; Inorganic chemistry