@article{Axinn1999,
author = {Axinn, W.G. and Pearce, L.D. and Ghimire, D. },
title= {Innovations in life history calendar applications},
year = {1999},
doi = {10.1006/ssre.1998.0641},
journal = {Social Science Research},
volume = {28},
number = {3},
pages = {243--264},
}