1. Consequences of anomalous ward identities
2. E. Witten, Princeton Univ. preprint (1983).
3. Chou Kuang-chao, Guo Han-ying, Wu Ke and Song Xing-chang, Beijing preprints AS-ITP-83-033; AS-ITP-83-302; B. Zumino, Wu Yong-shi and A. Zee; Chiral anomalies, higher dimensions and differential geometry, preprint 40048-18, p.3
4. Local and global integrability of anomalous ward identities
5. Axial-Vector Vertex in Spinor Electrodynamics