Nonstandard embedding and five-branes in heterotic M theory
Physical Review D American Physical Society (APS) 59:10 (1999) 106005
Universe as a domain wall
Physical Review D American Physical Society (APS) 59:8 (1999) 086001
Heterotic M-Theory Vacua with Five-Branes
(1999)
Boundary Inflation
(1999)
The ten-dimensional effective action of strongly coupled heterotic string theory
Nuclear Physics B Elsevier 540:1-2 (1999) 230-246