Elements of environmental engineering
K. N. Duggal
Elements of environmental engineering - New Delhi S. Chand & Company Ltd. 1966 - 451 p.
9788121915472
Engineering -- Greece -- HistorySewage-Environmental aspects; Buildings-Environmental engineering; Environmental engineering
628 / D8719e
Elements of environmental engineering - New Delhi S. Chand & Company Ltd. 1966 - 451 p.
9788121915472
Engineering -- Greece -- HistorySewage-Environmental aspects; Buildings-Environmental engineering; Environmental engineering
628 / D8719e