@article{GDZPPN002454807, title = {Stochastic Population Theories - Ludwig, D.}, journal = {Metrika}, volume = {22}, year = {1975}, pages = {252-252}, url = {http://dml.mathdoc.fr/item/GDZPPN002454807} }
Hirsch, H. Stochastic Population Theories - Ludwig, D.. Metrika, Tome 22 (1975) p. 252. http://gdmltest.u-ga.fr/item/GDZPPN002454807/