TY  - RPRT
TI  - Can a man-made universe be achieved by quantum tunneling without an initial singularity?
AU  - Guth, Alan H.
AU  - Haller, K.
AU  - Caldi, D. B.
AU  - Islam, M. M.
AU  - Mallett, R. L.
AU  - Mannheim, P. D.
AU  - Swanson, M. S.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19920003733
ID  - 19920003733
ER  -