00281nam a2200109 a 450000500170000008200180001710000160003524500470005126000310009830000180012963000240014720251202164242.0  a660.0321bENC  aKirk-Othmer  aEncyclopedia of chemical technology Vol  9  aNew YorkbJohn Wileyc1980  a902 p.b26 cm  aChemical technology