@article{01985401, title = {On the height of Calabi-Yau varieties in positive characteristic.}, journal = {Documenta Mathematica}, volume = {8}, year = {2003}, pages = {97-113}, zbl = {1074.14524}, language = {en}, url = {http://dml.mathdoc.fr/item/01985401} }
van der Geer, G.; Katsura, T. On the height of Calabi-Yau varieties in positive characteristic.. Documenta Mathematica, Tome 8 (2003) pp. 97-113. http://gdmltest.u-ga.fr/item/01985401/