BIGGS, B.J. LIQUID AND WATERBORNE WASTES RESEARCH IN NEW ZEALAND 1979/ B.J.BIGGS - Wellington : Water & Soil Division, 1980. - Various paging - Water & Soil Miscellaneous publication no. 21 . In English ISBN: 0110-4705 Subjects--Topical Terms: NEW ZEALAND.WATERBORNE WASTES - TREATMENT.