8 resultados para Green house automation

em Biodiversity Heritage Library, United States

A view of the present state of the salmon and channel-fisheries : and of the statute laws by which they are regulated ... comprehending also the natural history and habits of the salmon ... together with the form of a new act, designed to remedy the evils so generally complained of; and an abstract of the evidence before the committee of the House of Commons upon the subject, with notes /

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A history of botany 1860-1900; being a continuation of Sachs History of botany, 1530-1860,' by J. Reynolds Green ...

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The green Algae of North America, [by Frank S. Collins]

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Science, technology, and American diplomacy : an extended study of the interactions of science and technology with United States foreign policy / Committee on International Relations, U.S. House of Representatives.

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Science, technology, and American diplomacy : an extended study of the interactions of science and technology with United States foreign policy / Committee on International Relations, U.S. House of Representatives.

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Science, technology, and American diplomacy : an extended study of the interactions of science and technology with United States foreign policy / Committee on International Relations, U.S. House of Representatives.

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A History of science policy in the United States, 1940-1985 : report / prepared for the Task Force on Science Policy, Committee on Science and Technology, House of Representatives, Ninety-ninth Congress, second session.

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Fisheries management under the Fishery Conservation and Management Act, the Marine Mammal Protection Act, and the Endangered Species Act / Katherine A. Green Hammond, consultant, Ecosystem Modeling, Houston, Tex.

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