ISBN 0691085137 books & textbook
Cosmology in (2 + 1) -Dimensions, Cyclic Models, and Deformations of M2,1. (AM-121), Volume 121 (Annals of Mathematics Studies, 121)
Princeton University Press /1989-04-21 Hardcover / 240 Pages
isbn-10: 0691085137 / isbn-13: 9780691085135
