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1
2
Imprint 1980
Available in Gale Academic OneFile.Available in Academic Search Complete.
Available in Gale OneFile: Environmental Studies and Policy.
Available in Gale In Context: Environmental Studies.
Available in Science Database.
Available in Gale General OneFile.
Available in Gale In Context: Science.
Electronic
Journal
3
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5
Imprint 1913
Available in JSTOR Life Sciences Archive Collection.Available in JSTOR Free Early Journal Content.
Available in BioOne Complete.
Electronic
Journal
6
7
Imprint 1980
Available in Gale Academic OneFile.Available in Academic Search Complete.
Available in Gale OneFile: Environmental Studies and Policy.
Available in Gale In Context: Environmental Studies.
Available in Science Database.
Available in Gale General OneFile.
Available in Gale In Context: Science.
Electronic
Journal
8
9
10
11
12
13