@article{Stloukal1997,
author = {Stloukal, L. },
title= {Changing patterns of extramarital conceptions in the Czech Republic, 1960-93},
year = {1997},
doi = {10.1017/S0021932097004719},
journal = {Journal of Biosocial Science},
volume = {29},
number = {4},
pages = {471--489},
}