Titlebook: Applied Mathematical Ecology; Simon A. Levin,Thomas G. Hallam,Louis J. Gross Textbook 1989 Springer-Verlag Berlin Heidelberg 1989 AIDS.HIV

allude

https://doi.org/10.1007/978-3-658-34520-4ments, 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.

錫箔紙

mendacity

仔細(xì)閱讀

描述

ferment

Entscheidungskriterien für Gl?ubigerung adults. In Philadelphia, people were dying so quickly that bodies were stacked by the hundreds in temporary morgues, awaiting burial. Such horrible mortality caused tremendous social and economic disruption, and stimulated intensive research into the cause of the disease (Beveridge, 1977).