From incidental to planned parenthood
results of the second national fertility survey in Belgium / by R. L. Cliquet, R. Schoenmaeckers, with co-operation of M. Thiery ... et al.
- Nijhoff : Leiden 1976
- x, 145 p. : ill. ; 23 cm.
- Publications of the Netherlands Interuniversity Demographic Institute (N.I.D.I.) and the Population and Family Study Centre (C.B.G.S.) ; v.2. .
Abridged translation of Van toevallig naar gepland ouderschap.