See Magen Broshi, Recent Excavations in the Church of the Holy Sepulchre, Qadmoniot, Vol. 10, No. 1, 1977, pp. 30ff (in Hebrew). More recently, see Magen Broshi and Gabriel Barkay, Excavations in the Chapel of St. Vartan in the Holy Sepulchre, Israel Exploration Journal 35, Nos. 13 (1985), pp. 108ff.