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Der Verfasser behandelt die Hauptaxiome der Lehre uber die Vegetation, die ihre Kartierung und Einschatzung der... Read More >>
From their largely descriptive beginnings about a half century ago, studies on the ecology of small mammals have... Read More >>
Worldwide concern in scientific, industrial, and governmental com munities over traces of toxic chemicals in foodstuffs... Read More >>
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Several research projects dealing with design evaluation which have been conducted at the University are also included... Read More >>
1.1 Population estimates Population estimates can be classified into a number of different types; Such estimates... Read More >>
This is the personal record of an adventure across the icelands of the Canadian North by one of our most distinguished... Read More >>
This is illustrated, for example, in such works as the Flora of Southern Africa, where the northern boundary of... Read More >>
Worldwide concern in scientific, industrial, and governmental com munities over traces of toxic chemicals in foodstuffs... Read More >>
Ben Tinker spent years exploring the rugged wilderness of the Sierra Madres and the vast deserts of Sonora and Baja... Read More >>
Worldwide concern in scientific, industrial, and governmental com- munities over traces of toxic chemicals in foodstuffs... Read More >>
Worldwide concern in scientific, industrial, and governmental com- munities over traces of toxic chemicals in foodstuHs... Read More >>
Die erheblichen Anstrengungen zur Losung unserer driingendsten soziookono- misch n und okologischen Probleme konnten... Read More >>
The Mexican Plateau, in its magnificent dimensions and material wealth, stood among the first and perhaps most alluring... Read More >>