Elements of Environmental Engineering/
Duggal, K. N.
Elements of Environmental Engineering/ K. N. Duggal - New Delhi: S. Chand, 1966 1966 - 440p.: ill.; 23 cm.
Includes bibliographical references (p.422-423) and index
8121927927
Environmental engineering.
628 / DUG
Elements of Environmental Engineering/ K. N. Duggal - New Delhi: S. Chand, 1966 1966 - 440p.: ill.; 23 cm.
Includes bibliographical references (p.422-423) and index
8121927927
Environmental engineering.
628 / DUG