TY  - CHAP
A1  - Barber, J.S.
A1  - Kusunoki, Y.
A1  - Gatny, H.H.
T1  - Design and implementation of an online weekly journal to study unintended pregnancies
Y1  - 2011
T2  - Vienna Yearbook of Population Research / Vienna Institute of Demography
CY  - Vienna
PB  - Austrian Academy of Sciences

ER  -