1. M. Timko, ‘Status ofWγ Search at CDF’, contribution toThe Spring Meeting of the American Physics Society, Washington, D.C., 16–19 April 1990 (unpublished).
2. CDF rapportear talk atProceedings of the 9th Topical Workshop on Proton-Antiproton Collider Physics, Tsukuba, Japan, 1993.
3. A. L. Spadoafora (for D0 collaboration),Proceedings of the 9th Topical Workshop on Proton-Antiproton Collider Physics, Tsukuba, Japan, 1993, Preprint: FERMILAB-Conf-94/016-E (1994).
4. J. Alittiet al., Phys. Lett.B277, 194 (1992).
5. A list of most papers on this subject may be found in [2] of reference[13].