@article{701743,
     title = {Sasakian geometry, hypersurface singularities, and Einstein metrics},
     booktitle = {Proceedings of the 24th Winter School "Geometry and Physics"},
     series = {GDML\_Books},
     publisher = {Circolo Matematico di Palermo},
     address = {Palermo},
     year = {2005},
     pages = {[57]-87},
     mrnumber = {MR2152356},
     zbl = {1101.53023},
     url = {http://dml.mathdoc.fr/item/701743}
}

Boyer, Charles P.; Galicki, Krzysztof. Sasakian geometry, hypersurface singularities, and Einstein metrics, dans Proceedings of the 24th Winter School "Geometry and Physics", GDML_Books,  (2005), pp. [57]-87. http://gdmltest.u-ga.fr/item/701743/