Bryant, R. (1987). A survey of Riemannian metrics with special holonomy groups. In A. Gleason (Ed.), Proceedings of the International Congress of Mathematicians. Vol. 1, 2. (Berkeley, Calif., 1986) (pp. 505–514). Providence, RI: American Mathematical Society.

Bryant, R. “A survey of Riemannian metrics with special holonomy groups.” In Proceedings of the International Congress of Mathematicians. Vol. 1, 2. (Berkeley, Calif., 1986), edited by A. Gleason, 505–14. Providence, RI: American Mathematical Society, 1987.

Bryant R. A survey of Riemannian metrics with special holonomy groups. In: Gleason A, editor. Proceedings of the International Congress of Mathematicians Vol 1, 2 (Berkeley, Calif, 1986). Providence, RI: American Mathematical Society; 1987. p. 505–14.

Bryant, R. “A survey of Riemannian metrics with special holonomy groups.” Proceedings of the International Congress of Mathematicians. Vol. 1, 2. (Berkeley, Calif., 1986), edited by A. Gleason, American Mathematical Society, 1987, pp. 505–14.

Bryant R. A survey of Riemannian metrics with special holonomy groups. In: Gleason A, editor. Proceedings of the International Congress of Mathematicians Vol 1, 2 (Berkeley, Calif, 1986). Providence, RI: American Mathematical Society; 1987. p. 505–514.