@article{SraK2012, title = {The multivariate Watson distribution: Maximum-likelihood estimation and other aspects}, author = {Sra, S. and Karp, DB.}, journal = {Journal of Multivariate Analysis}, volume = {114}, pages = {256-269}, month = feb, year = {2013}, doi = {10.1016/j.jmva.2012.08.010}, month_numeric = {2} }