Algebraic and geometric topology : proceedings of a symposium held at Santa Barbara in honor of Raymond L. Wilder, July 25-29, 1977 / edited by K. C. Millett. (Lecture notes in mathematics ; 664)
Algebraic and geometric topology : proceedings of a symposium held at Santa Barbara in honor of Raymond L. Wilder, July 25-29, 1977 / edited by K. C. Millett.