@book{21146,
	author = {Engen, Steinar.},
	title = {Stochastic abundance models, with emphasis on biological communities and species diversity /},
	publisher = {Chapman and Hall ;},
	year = {1978.},
	series = {Monographs on applied probability and statistics},
	address = {London :},
	note = {Based on the author's thesis, Oxford.}
}