@article{hau77, title = {Wald's Test as Applied to Hypotheses in Logit Analysis}, volume = {72}, journal = {J Am Stat Assoc}, author = {Hauck, W. W. and Donner, A.}, year = {1977}, pages = {851-863}, citeulike-article-id = {13264274}, posted-at = {2014-07-14 14:09:32}, priority = {0} }