1. M.S. Green, Aspects of superstring theory, preprint CALT-68-1257.
2. O. Alvarez, Conformal anomalies and the index theorem, UCB preprint PhT/85-39.
3. D. Quillen, Determinants of Cauchy-Riemann operators over a Riemann surface, IHES preprint P 84/37;
4. The analysis of elliptic families, Orsay preprint 85T47.