Duggal, K. N.
Elements of environmental engineering / K. N. Duggal. - Rev. and enl. - New Delhi : Chand, 2012. - xviii, 451 p. : ill. ; 25 cm.
Includes index
Bibliography: [p. 431-432]
8121915473
Environmental engineering.
628 / DUE
Elements of environmental engineering / K. N. Duggal. - Rev. and enl. - New Delhi : Chand, 2012. - xviii, 451 p. : ill. ; 25 cm.
Includes index
Bibliography: [p. 431-432]
8121915473
Environmental engineering.
628 / DUE