Purohit, S K
Chemical and biological methods of water and air pollution control : a practical hygiene manual / S K Purohit - Bikaner : Agro Botanical, c1985. - vi, 56 p. : ill. ; 18 cm.
Includes bibliographical references and index.
628.16836 / PUC
Chemical and biological methods of water and air pollution control : a practical hygiene manual / S K Purohit - Bikaner : Agro Botanical, c1985. - vi, 56 p. : ill. ; 18 cm.
Includes bibliographical references and index.
628.16836 / PUC