TY  - BOOK
AU  - Halpern, M.B. 
AU  - Halpern,M.B.
AU  - Rivlis,G.
AU  - Sevrin,A.
TI  - Strings 93 : proceedings of the conference, May 24-29, 1993, Berkeley, USA 
SN  - 9810221878 (HB)
PY  - 1995///
CY  - Singapore , River Edge, N.J. 
PB  - World Scientific
KW  - String models
KW  - Field theory (Physics)
KW  - Gravity
N1  - Includes bibliographical references
ER  -