Free Download Introduction to the Geometry of Foliations, Part A… By Gilbert Hector Publisher Vieweg+Teubner Verlag 1986 ISBN 3528185015,978-3-528-18501-5,978-3-322-90115-6..

Free Download Introduction to the Geometry of Foliations, Part B… By Gilbert Hector, Ulrich Hirsch Publisher Vieweg+Teubner Verlag 1987 ISBN 3528185686,978-3-528-18568-8,978-3-322-90161-3..