628 BAS 53301 62987 62988 62989 62990 62991
Basak, N. N. Environmental engineering / by N. N. Basak. - New Delhi : Tata McGraw-Hill, 2004 xvii, 295p. :ill. Includes index. 0-07-049463-0 Rs.99.00 * Env. science Pollution control Water pollution
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