@inbook{Coale1972,
author = {Coale, A.J.},
title= {Alternative paths to a stationary population},
year = {1972},
editor = {Westoff, C.},
editor = {Parke, R.},
booktitle = {Demographic and Social Aspects of Population Growth. U.S. Commission on Population Growth and the American Future, research reports vol. 1},
address = {Washington, D.C.},
publisher = {Government Printing Office},
pages = {589--603},
}