@incollection{47338,
author = {Ralph L. Cohen and Matthias Schwarz},
title = {{A Morse theoretic description of string topology}},
series = {CRM proceedings \& lecture notes},
volume = {49},
booktitle = {New perspectives and challenges in symplectic field theory},
editor = {Miguel Abreu and Francois Lalonde and Leonid Polterovich},
publisher = {American Mathematical Society},
address = {Providence, R.I.},
year = {2009},
pages = {147--172},isbn={978-0-8218-4356-7},
}