TY  - CHAP
A1  - Willis, R.
A1  - Michael, R.
T1  - Innovation in family formation: Evidence on cohabitation in the United States
Y1  - 1994
DO  - 10.1093/oso/9780198288183.003.0002
A3  - Ermisch, J.
A3  - Ogawa, M.
T2  - The family, the market and the state in ageing societies
CY  - Oxford
PB  - Oxford University Press

ER  -