Applications of homotopy groups to the classification of defects in ordered media, P680, 1977 Fall

Applications of homotopy groups to the classification of defects in ordered media, P680, 1977 Fall, Box: 7, Folder: 26. Vinay Ambegaokar papers, 14-22-4461. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/953231 Accessed December 27, 2025.