@inbook{92c62ede04ff4bd99d8ab04efb17ae7f,
title = "Internal Categorical Structures in Homotopical Algebra",
abstract = "This is a survey on the use of some internal higher categorical structures in algebraic topology and homotopy theory. After providing a general view of the area and its applications, we concentrate on the algebraic modelling of connected en (n+1)-types through cat(n)-groups.",
keywords = "N-TYPES, CROSSED-MODULES, CO-HOMOLOGY, MODELS, EXTENSIONS, SPACES",
author = "Simona Paoli",
year = "2010",
doi = "10.1007/978-1-4419-1524-5_3",
language = "English",
isbn = "978-1-4419-1523-8",
series = "IMA Volumes in Mathematics and its Applications",
publisher = "Springer ",
pages = "85--103",
editor = "JC Baez and JP May",
booktitle = "Towards Higher Categories",
}