1. Dagradi, A., R. Petronio, and G. F. Pistolesi, Technique of transtemporal angiography through the external carotid artery. Chir. Pat. Sper9 (1961), 1011?1025.
2. Frugoni, P., Official discussion to: ?Cerebral circulation?. Progress in brain research, edited by W. Luyendijk, Vol. 30, p. 189?192. Amsterdam: Elsevier Publishing Co. 1968.
3. Galligioni, F., M. Pellone, R. Bernardi, and G. Iraci, Further observation on the meningeal branch of the lacrimal artery. Am. J. Roentgen.101 (1967), 22?24.
4. Krayenbühl, H., and M. G. Yasargil: Die zerebrale Angiographie. Stuttgart: Thieme. 1965.
5. Liverud, K., Technique in percutaneous carotid and vertebral angiography with polyethylene catheters. J. Oslo Cy. Hosp.8 (1958), 220?242.