ON THE POSSIBILITY OF SECOND ORDER PHASE TRANSITIONS IN SPONTANEOUSLY BROKEN GAUGE THEORIES
Phys.Lett.B 296 (1992) 364
PLANCK SCALE PHYSICS AND THE PECCEI-QUINN MECHANISM
Phys.Lett.B 282 (1992) 137-141
QUANTUM FIELD THEORY OF NONABELIAN STRINGS AND VORTICES
Nucl.Phys.B 384 (1992) 251
DISENTANGLING NONABELIAN DISCRETE QUANTUM HAIR
Nucl.Phys.B 351 (1991) 735