A Novel Clustering Method for Estimating Numbers of Bird Territories .Published in:Journal of the Royal Statistical Society: Series C (Applied Statistics), 1977, v. 26, n. 2, p. 149, doi. 10.2307/2347022By:North, Philip M.Publication type:Article
On using cluster-analysis and multidimensional scaling for describing animal movements and bird territories.Published in:Biometrical Journal, 1980, v. 22, n. 6, p. 525, doi. 10.1002/bimj.4710220608By:Morgan, Byron J. T.;North, Philip M.Publication type:Article
U-SP: A User-Friendly Survey Analysis Package.Published in:American Statistician, 1987, v. 41, n. 1, p. 78, doi. 10.2307/2684331By:North, Philip M.;Gentleman, Jane F.Publication type:Article