00292nam a2200097Ia 450000500170000000800410001710000170005824500650007526000460014030000080018620260413100827.0230516s9999||||xx |||||||||||||| ||und||  aRAO Gopala M 0aDrydens outlines of chemical technology for the 21st century  bAfffiliated east west press N Delhic2012  a802