@book{Retherford2004,
author = {Retherford, R.D. and Ogawa, N. and Matsukura, R. and Ihara, H.},
title= {Trends in fertility by education in Japan: 1966-2000},
year = {2004},
publisher = {Tokyo: Nihon University Population Research Institute. Honolulu: East-West Center. Tokyo: Statistical Research and Training Institute, Ministry of Public Management, Home Affairs, Posts and Telecommunications},
}