Cambridge University Press,
The Formation and evolution of cosmic strings : proceedings of a workshop supported by the SERC and held in Cambridge, 3-7 July, 1989
Gibbons, G. W.
Hawking, S. W. (Stephen W.)
Vachaspati, T.
edited by G.W. Gibbons, S.W. Hawking, T. Vachaspati.
The Formation and evolution of cosmic strings : proceedings of a workshop supported by the SERC and held in Cambridge, 3-7 July, 1989