Executive Order 13112 of February 3, 1999, Invasive Species Federal Register 64, no. 25, February 8,1999, Presidential Documents 6183.
14
Executive Order 13112 of February 3, 1999, Invasive Species Federal Register 64, no. 25, February 8,1999, Presidential Documents 6183.
15
Vermeij G. J. Invasion as Expectation: A Historical Fact of Life // Species Invasions: Insights into Ecology, Evolution, and Biogeography. Sunderland, MA: Sinauer Associates. 2005, 315–339.
