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Understanding engineering systems via consvervation, 1
Understanding engineering systems via consvervation, 1
Everett, Louis Jackson, 559.9-E93u | McGraw-Hill | 1997 559.9-E93u,
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1
Archives of Nature Conservation & Landscape Research
Taylor & Francis Ltd [, ]
2
Conservation Biology
Blackwell Publishing Limited [, ]
3
Conservationist
NYS Conservationist [, ]
4
Conservation of Public Lands
Great Neck Publishing [, ]
5
Declaration of the Conservation Conference
Great Neck Publishing [, ]
6
National Parks
National Parks Conservation Association [, ]
7
New York State Conservationist
NYS Conservationist [, ]
8
Roosevelt's Message on Conservation
Great Neck Publishing [, ]
9
Soil & Water Conservation News
USDA/ Soil Conservation Service [, ]