00477     2200193   4500001002100000008004100021035002000062245002900082100002100111260002300132300002400155020001500179084001900194082001000213650001800223990001400241990001400255990001400269INLIS000000000020104                                   eng    a0010-0417002585  aEnvironmental protection  aChanlett, Emil T  bMcGraw-Hill,c1973  aix, 517 hlm.c28 cm  a0070105200  a301.3 Cha e -b  a301.3  aENVIRONMENTAL  a144979212  a144879112  a145079212