Clark, Tim; Backhouse, G. and Lacy, R. 1990. The population viability assessment workshop: a tool for threatened species management. Endangered Species Update. 8(2): 1-5.
Clark, Tim; Backhouse, G. and Lacy, R. 1990. The population viability assessment workshop: a tool for threatened species management. Endangered Species Update. 8(2): 1-5.