Grailich, [Wilhelm] Joseph (1829-1859).: — Brechung und Reflexion des Lichts an Zwillingsflächen optisdch-einaxiger vollkommen durchsichtiger Medien. [I. - II.]

Denkschr. Kais. Akad. Wiss. [Wien]. Math.-nat. Cl., 9 (1855): pp. 57-120; 11 (1856): pp. 41-60, 1 lithogr. plate of graphs, 33 figs. 4to. Two parts in one volume, plain new wrappers, title-page of journal volumes preserved in front (the second one in photocopy). Waterstain on part of plate and last text leaf, very good otherwise.