@article{PROC,
title = {An alpine anthology of homotopy theory. Proceedings of the 2nd Arolla conference on algebraic topology, Arolla, Switzerland, August 24-29, 2004. (English)},
publisher = {American Mathematical Society},
address = {Providence, RI:},
series = {Contemporary Mathematics. 399},
year = {2006},
url = {http://infoscience.epfl.ch/record/129268},
}