Ricardo and Malthus
- 期刊名称The Journal of Economic History
- 作者Grampp, William D.
- 卷第41卷
- 期第2期
- 印刷ISSN0022-0507
- 电子ISSN1471-6372
- 文件大小203.54KB
- 发表时间1981-6
- DOI10.1017/s0022050700043679
同标题推荐
Predation, Scramble Competition, and the Vigilance Group Size Effect in Dark-Eyed Juncos (Junco hyemalis)Steven L. Lima, Patrick A. Zollner and Peter A. Bednekoff · Behavioral Ecology and Sociobiology · 1999
Cost-free vigilance during feeding in folivorous primates? Examining the effect of predation risk, scramble competition, and infanticide threat on vigilance in ursine colobus monkeys (Colobus vellerosus)Julie A. Teichroeb; Pascale Sicotte · 2012
Cost-free vigilance during feeding in folivorous primates? Examining the effect of predation risk, scramble competition, and infanticide threat on vigilance in ursine colobus monkeys (Colobus vellerosus)Julie A. Teichroeb and Pascale Sicotte · Behavioral Ecology and Sociobiology · 2012