00280nam a2200109Ia 4500008004100000082001500041100002700056245003200083250000900115260003700124300000900161240913s9999||||xx |||||||||||||| ||und||  a540  GUP/A  aGupta VK and RG Sharma 0aAdvanced physical chemistry  aNULL  bK.Nath and CompanyaMeerutc1989  a682p