00299nam a2200121 a 450000500170000008200180001710000160003524500460005125000080009726000300010530000180013563000240015320251202164242.0  a660.0321bENC  aKirk-Othmer  aEncyclopedia of chemical technology Vol 6  a3RD  aNew Yorkbohn Wileyc1979  a869 p.c26 cm  aChemical technology