Free Download Model categories and their localizations… By Philip S. Hirschhorn Publisher American Mathematical Society 2003 ISBN 0821849174,978-0-8218-4917-0,0-8218-3279-4,34-1995-359-3..

Free Download Homotopy limit functors on model categories and ho… By William G. Dwyer, Philip S. Hirschhorn, Daniel M. Kan, Jeffrey H. Smith Publisher..