Changes in the spatial variation of Pennsylvania fertility rates, 1960-1970
By: Joseph W. Bencloski.
Series: [Papers in geography] -- no.17.
Publisher: Dept. of Geography, Pennsylvania State University, 1978.
Published: 1978
Place of publication: University Park, Pa
Language: eng
Number of pages: 56
Subjects: Fertility, Human.; Pennsylvania -- Population.
Notes: Bibliography : p.54-56.