00323nam a2200133Ia 4500008004100000020001800041082001100059082001000070100002100080245003900101260001400140260002600154260000900180230118s9999||||xx |||||||||||||| ||und||  a81-224-0296-8  a547.02  bCHA/A  ad.kbchakrabarti 0aadsorption and catalysis by solids  anew delhi  bwiley eastern limited  c1991