BUREAU OF INDIAN STANDARDS IS : 3025 (PART 9) 1984 INDIAN STANDARD METHODS OF SAMPLING AND TEST (PHYSICAL AND CHEMICAL) FOR WAT - 2ND ED. REP. 1993 - NEW DELHI BUREAU OF INDIAN STANDARDS. 1984 - 2 Subjects--Topical Terms: METHODS OF SAMPLING AND TEST Dewey Class. No.: 624 / BUR