@article{GDZPPN00221749X,
title = {The Etale Homotopy Theorie of a Geometric Fibration.},
journal = {Manuscripta mathematica},
volume = {11},
year = {1973},
pages = {209-244},
zbl = {0263.14004},
url = {http://dml.mathdoc.fr/item/GDZPPN00221749X}
}
Friedlander, Eric M. The Etale Homotopy Theorie of a Geometric Fibration.. Manuscripta mathematica, Tome 11 (1973) pp. 209-244. http://gdmltest.u-ga.fr/item/GDZPPN00221749X/