@article{Lutz2001,
author = {Lutz, W. and Goujon, A. },
title= {The World's Changing Human Capital Stock: Multi-State Population Projections by Educational Attainment},
year = {2001},
doi = {10.1111/j.1728-4457.2001.00323.x},
journal = {Population and Development Review},
volume = {27},
number = {2},
pages = {323--339},
}