@article{MET_1975__22_175687,
     author = {H. Hirsch},
     title = {Stochastic {Population} {Theories}  -  {Ludwig,} {D.}},
     journal = {Metrika},
     pages = {252--252},
     publisher = {mathdoc},
     volume = {22},
     year = {1975},
     url = {http://geodesic.mathdoc.fr/item/MET_1975__22_175687/}
}