Looking for some articles

Dear colleagues I am looking for these articles: 1 - Frank,O. (1976) "Comparing Classifications by the use of the Symmetric Class Difference" in Proceedings in Computational Statistics eds J. Gordesch and P. Maeze Wurzburg Physica Verlag pp. 84-96 2 - Cohen,J. (1960) "A

generalizd hypergeometric distribution

Dear colleagues I am looking for the formula of the hypergeometric distribution generalized to the multivariate hypergeometric distribution and I've have some problems to find some description of this matter, can anyone help me? Thanks in advance best regards Helena =