1. The radiologic evaluation of the orbit: Conal and intraconal lesions;Armington;Semin Ultrasound CT MR,1988
2. MRI of the Eye and Orbit;DePotter,1995
3. Soft Tissue Tumors;Enzinger,1983
4. Orbital Tumors;Henderson,1994
5. Diagnostic ultrastructural pathology of ophthalmic tumors.;Jakobiec,1978