@inbook {9995, title = {School Enrollment, Military Enlistment, and the Transition to Work: Implications for the Age Pattern of Employment}, booktitle = {Longitudinal Analysis of Labor Market Data}, year = {1985}, publisher = {Cambridge University Press}, organization = {Cambridge University Press}, url = {http://www.cambridge.org/gb/knowledge/isbn/item2425501/?site_locale=en_GB}, author = {Christopher Winship and Robert D. Mare}, editor = {James J. Heckman and Burton Singer} }