books.google.com.au - This book gives a quick introduction to the theory of foliations, Lie groupoids and Lie algebroids. An important feature is the emphasis on the interplay between these concepts: Lie groupoids form an indispensable tool to study the transverse structure of foliations as well as their noncommutative geometry,...http://books.google.com.au/books/about/Introduction_to_Foliations_and_Lie_Group.html?id=87vtu4HbdawC&utm_source=gb-gplus-shareIntroduction to Foliations and Lie Groupoids
