Laufer, Henry B. Normal two-dimensional singularities/ by Henry B. Laufer. - Princeton, N.J.: Princeton University Press, 1971. - xi, 161 p.: illus., 24 cm. - Annals of mathematics studies; no. 71. . Bibliography: p. 157-158. ISBN: 069108100X LCCN: 78160261 Subjects--Topical Terms: Analytic spaces.Singularities (Mathematics) Dewey Class. No.: 516.35 / L373n