Hussain, M F Variability in physico-chemical parameters of Pachin river (Itanagar). [electronic resource] - Indian journal of environmental health Oct 2002 - 329-36 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0367-827X Subjects--Topical Terms: Environmental MonitoringGeologic Sediments--chemistryHydrogen-Ion ConcentrationIndiaMetals, Heavy--analysisMicronutrients--analysisOxygen--analysisRiversWater--chemistry