TY  - BOOK
AU  - Andersson Ake E
AU  -  Holmberg Ingvar Ed.
TI  - Demographic economic and social interaction
U1  - Y:58, L7 
PY  - 1977///
CY  - Cambridge
PB  - Ballinger Publ. Co.        
KW  - Fertility
N1  - Bibliography chapterwise; Appendix chapterwise
ER  -