00558     2200169   4500001002100000005001500021035002000036008004100056245006300097100001800160260003400178300002800212084002000240520009900260082001000359650001900369INLIS00000000000093020250901093750  a0010-0421000930250901                           0 ind  1 aPencemaran Air: Dasar-dasar dan Pokok-pokok Penanggulangan  aRyadi, Slamet  aSurabaya :bKarya Anda,c1984  cviii,136hal.:ilus.;20cm  a628.5 RYA p k.2  aMembahas air dan ekologi, standar kualitas air, proses - proses dalam pencemaran badan air dll  a628.5 4aAIR-PENCEMARAN