TY - JOUR AU - Deilamian, K AU - Gillaspy, John AU - Kelleher, Daniel C2 - Physical Review Letters DA - 1995-01-01 00:01:00 LA - en M1 - 74 PB - Physical Review Letters PY - 1995 TI - Search for Small Violations of the Symmetrization Postulate in an Excited State of Helium ER -