Frejka, Tomas Fertility trends and politics : Czechoslovakia in the 1970s / Tomas Frejka - New York : Population Council (PC) , 1980 - 44p. : ill. ; 22 cm. - Working papers (Population Council. Center for Policy Studies) No. 54 . Includes bibliographical references. Subjects--Topical Terms: Fertility, Human--Economic aspects--CzechoslovakiaFertility, Human--Czechoslovakia Gov. Doc. Class. No.: US PC CPS WP-54