Srivastava, Yogendra N.
Environmental pollution. / Yogendra N.Srivastava. - 4th ed. - New Delhi : Ashis Pub. House, 1997 - vii, 84 p. : ill. ; 22 cm.
Includes bibliographical references and index.
817024210X
Pollution.
Ecology.
363.73
Environmental pollution. / Yogendra N.Srivastava. - 4th ed. - New Delhi : Ashis Pub. House, 1997 - vii, 84 p. : ill. ; 22 cm.
Includes bibliographical references and index.
817024210X
Pollution.
Ecology.
363.73