00000nam a2200000 a 4500 20251202164242.0 660.0321 ENC Kirk-Othmer Encyclopedia of chemical technology vol 1 9 New York John Wiley 1982 1010 p. 26 cm Chemical technology _ 6251 C 4978 4978 0 0 0 0 PU PU 1998-04-09 0 660.0321 ENC 6251 BK