@article{Von Foerster1960,
author = {Von Foerster, H. and Mora, P.M. and Amiot, L.W.},
title= {Doomsday: Friday, 13 November, A.D. 2026},
year = {1960},
doi = {10.1126/science.132.3436.1291},
journal = {Science},
volume = {132},
pages = {1291--1295},
}