@article{1177705984, author = {Draper, Norman R.}, title = {Second Order Rotatable Designs in Four or More Dimensions}, journal = {Ann. Math. Statist.}, volume = {31}, number = {4}, year = {1960}, pages = { 23-33}, language = {en}, url = {http://dml.mathdoc.fr/item/1177705984} }
Draper, Norman R. Second Order Rotatable Designs in Four or More Dimensions. Ann. Math. Statist., Tome 31 (1960) no. 4, pp. 23-33. http://gdmltest.u-ga.fr/item/1177705984/