@article{Mamelund2004,
author = {Mamelund, S.-E.},
title= {Can the Spanish influenza pandemic of 1918 explain the baby boom of 1920 in neutral Norway?},
year = {2004},
doi = {10.2307/3654904},
journal = {Population },
volume = {59},
number = {2},
pages = {229--260},
}