Berglund, P., Candelas, P., Ossa, X., Font, A., Hubsch, T., Jancic, D., & Quevedo, F. (1993). Periods for Calabi--Yau and Landau--Ginzburg Vacua.

Berglund, P., P. Candelas, X. Ossa, A. Font, T. Hubsch, D. Jancic, and F. Quevedo. Periods for Calabi--Yau and Landau--Ginzburg Vacua. 1993.

Berglund, P., et al. Periods for Calabi--Yau and Landau--Ginzburg Vacua. 1993.