00337nam a2200157Ia 4500008004100000020000900041035000900050082001500059100002800074245002200102250000600124260002700130300000800157500000800165650000600173210723s9999||||xx |||||||||||||| ||und||  aNULL  a8045  a541.3BSHA  aSharma, Brijesh Kishore 0aColloid Chemistry  a-  aMeerutbGoel Prakashan  a287  a439  a-