Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Ronald Brown. Homotopy theory, and change of base for groupoids and multiple groupoids. Applied Categorical Structures, 4(2-3):175-193, 1996. [doi]