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1by Young, John E, Young, John E (John Edward), 1963-, Young, John E (John Edward), 1963-, Young, John E“...Worldwatch paper :...”
Published 1991
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6by Hayes, Denis, 1944-, Hayes, Denis, 1944-, Hayes, Denis, 1944-, Hayes, Denis, 1944-“...Worldwatch paper ;...”
Published 1977
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10by Hayes, Denis, 1944-, Hayes, Denis, 1944-, Hayes, Denis, 1944-, Hayes, Denis, 1944-“...Worldwatch paper ;...”
Published 1979
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11by Brown, Lester R (Lester Russell), 1934-, Brown, Lester R (Lester Russell), 1934-, Brown, Lester R (Lester Russell), 1934-, Flavin, Christopher, Flavin, Christopher, Flavin, Christopher, Norman, Colin, 1946-, Norman, Colin, 1946-, Norman, Colin, 1946-“...Worldwatch paper ;...”
Published 1979
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14by Chandler, William U., 1950-, Chandler, William U., 1950-, Chandler, William U., 1950-“...Worldwatch paper ;...”
Published 1983
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