ISBN 0521316774 books & textbook
The Very Early Universe: Proceedings of the Nuffield Workshop, Cambridge 21 June to 9 July, 1982
Gibbons, G. W. Hawking, S. W. Siklos, S. T. C.
Cambridge University Press /1985-03-29 Paperback / 488 Pages
isbn-10: 0521316774 / isbn-13: 9780521316774
