Manual of environmental technology in developing countries. Vol.2.
Ludwig, Harvey F. & others
Manual of environmental technology in developing countries. Vol.2. - New Delhi South Asian Pub. 1991 - xiv,414p.
Environmental protection -- Developing countries -- Handbooks, manuals, etc
363.7091724 / LUD
Manual of environmental technology in developing countries. Vol.2. - New Delhi South Asian Pub. 1991 - xiv,414p.
Environmental protection -- Developing countries -- Handbooks, manuals, etc
363.7091724 / LUD