00281nam a2200097Ia 450000500170000000800410001710000190005824500490007726000490012630000080017520260413100617.0230516s9999||||xx |||||||||||||| ||und||  aGhosh Prenomoy 0aPolymer science & tech of plastics & rubbers  bN Delhi tata mc grew hill pub comp ltdc1993  a424