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- [2] LOCAL INITIATIVES IN POLLUTION-CONTROL - POLLUTION-CONTROL ZONES ROYAL SOCIETY OF HEALTH JOURNAL, 1979, 99 (05): : 199 - 207
- [3] EXTENSIVE COLLECTION SYSTEM HIGHLIGHTS 30 MILLION DOLLARS POLLUTION-CONTROL PROGRAM WATER & WASTES ENGINEERING, 1977, 14 (05): : 35 - &