PIERSE DERMOT /red./ 527,998 Microsurgery of cataract vitreous and astigmatism. 5th S mposlum of the International Ophthalmic Microsurgery Study Group,London, England, June 1974.Ed.Dermot Pierse, H. Jonathan Keraley. Asa. ed. Sheila Tant. Basel 1976 S.Karger 8° s. XIII nlb. 1, 270, 11. Advances In Ophthalmology vol. 33.