1. [ADS83] Atiyah, Michael F.; Donnelly, Harold; Singer, Isadore M. Eta invariants, signature defects of cusps, and values of L-functions, Ann. Math., Volume 118 (1983) no. 1, pp. 131-177
2. [APS75] Atiyah, Michael F.; Patodi, Vijay K.; Singer, Isadore M. Spectral asymmetry and Riemannian geometry. I, Math. Proc. Camb. Philos. Soc., Volume 77 (1975), pp. 43-69
3. [Bal08] Baldwin, John A. Heegaard Floer homology and genus one, one-boundary component open books, J. Topol., Volume 1 (2008) no. 4, pp. 963-992
4. [BGV04] Berline, Nicole; Getzler, Ezra; Vergne, Michèle Heat kernels and Dirac operators, Grundlehren Text Editions, Springer, 2004
5. [BGW13] Boyer, Steven; Gordon, Cameron McA.; Watson, Liam On L-spaces and left-orderable fundamental groups, Math. Ann., Volume 356 (2013) no. 4, pp. 1213-1245