Salvatore, Paolo: Homotopy type of Euclidean configuration spaces.
(English).
In:
Slovák, Jan
and Čadek, Martin (eds.): Proceedings of the 20th Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 2001.
pp. 161-164
Markl, Martin: On the formality of products and wedges.
(English).
In:
Bureš, J.
and Souček, V. (eds.): Proceedings of the Winter School "Geometry and Physics".
Circolo Matematico di Palermo, Palermo, 1987.
pp. [199]-206
Menu, Jan:
On weak homotopy.
(English).Commentationes Mathematicae Universitatis Carolinae,
vol. 15
(1974),
issue 1,
pp. 103-112