Hyrenius, H. (1974). On the use of models as instruments in formulating population policies. Demographic Research Institute, University of Gothenburg.

Hyrenius, Hannes. On the Use of Models as Instruments in Formulating Population Policies. Gothenburg: Demographic Research Institute, University of Gothenburg, 1974.

Hyrenius, Hannes. On the Use of Models as Instruments in Formulating Population Policies. Demographic Research Institute, University of Gothenburg, 1974.