SWARUP R. (1992). ENVIRONMENTAL AIR & WATER ANALYSIS. MITTAL PUBLICATIONS.
Chicago-čujuhus (17. p.)SWARUP R. ENVIRONMENTAL AIR & WATER ANALYSIS. NEW DELHI: MITTAL PUBLICATIONS, 1992.
MLA-čujuhus (9. p.)SWARUP R. ENVIRONMENTAL AIR & WATER ANALYSIS. MITTAL PUBLICATIONS, 1992.
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