@article{112398, note = {Bibliography: p. 28-30.}, author = {Richtering, Jürgen.}, url = {http://digitallibrary.un.org/record/112398}, title = {Modelling fertility and mortality rates in the framework of a demographic-economic model /}, publisher = {UN,}, recid = {112398}, pages = {ii, 35 p. :}, address = {Geneva :. 1986}, year = {1986}, }