Titlebook: High Reynolds Number Flows Using Liquid and Gaseous Helium; Discussion of Liquid Russell J. Donnelly Conference proceedings 1991 Springer S

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D. M. Bushnell,G. C. Greenef the need to guard nature’s treasures and the “balance of nature.” Only in the last two decades have serious efforts been directed to developing the theoretical basis we need to manage natural systems from a sound ecological basis.

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Pierce L. Lawingments, of current theoretical research, and of directions of environmental risk assessment of chemical stress on populations. Fate and effects at the community and ecosystem level are, at this stage, only speculative.

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