From Silent Spring to Rio and Ecological Soundness :
Carson, Rachel.
From Silent Spring to Rio and Ecological Soundness : Books, '93 Conference. - Minnesota-U.S : International Alliance for Sustainable Agriculture. - p. 2 - Irregular - Vol. 9, no. 1 (1992) - Manna ; no. 1 . - In the Newman Center at the University of Minnesota. .
From Silent Spring to Rio and Ecological Soundness : Books, '93 Conference. - Minnesota-U.S : International Alliance for Sustainable Agriculture. - p. 2 - Irregular - Vol. 9, no. 1 (1992) - Manna ; no. 1 . - In the Newman Center at the University of Minnesota. .