1. Tumors of the Eye;Reese,1963
2. Secondary and metastatic tumors of the orbit;Jakobiec,1992
3. Basal cell carcinoma of the conjunctiva;Aftab;Br J Ophthalmol,1973
4. Basal cell carcinoma of conjunctiva;Apte;Indian J Ophthalmol,1975
5. Conjunctiva;Spencer,1985