TY - JOUR AU - J. Mcneil AU - G. Collins AU - K. Persson AU - Douglas Franzen C2 - Applied Physics Letters DA - 1976-02-01 00:02:00 LA - en M1 - 28 PB - Applied Physics Letters PY - 1976 TI - Ultraviolet Laser Action from Cu II in the 2500-A Region ER -