TY  - THES
A1  - Koytcheva, E.
T1  - Social-demographic differences of fertility and union formation in Bulgaria before and after the start of the societal transition
Y1  - 2006
N1  - Ph.D. thesis
CY  - Rostock
PB  - Universität Rostock, Sozialwissenschaftliche Fakultät

ER  -