TY  - BOOK
AU  - Weldon,H.A.
AU  - Langacker,P.
AU  - Steinhardt,Paul J.
ED  - Workshop on Grand Unification
TI  - Fourth Workshop on Grand Unification, University of Pennsylvania, Philadelphia, April 21-23, 1983
T2  - Progress in physics
SN  - 0817631690
AV  - QC794.6.G7 W67 1983
U1  - 530.1 19
PY  - 1983///
CY  - Boston
PB  - Birkhäuser
KW  - Grand unified theories (Nuclear physics)
KW  - Congresses
KW  - Quantum gravity
KW  - Protons
KW  - Decay
KW  - Magnetic monopoles
KW  - Cosmology
N1  - Includes bibliographical references
ER  -