@article{GDZPPN002464497, title = {Type S Designs with Nested Rows and Columns.}, journal = {Metrika}, volume = {38}, year = {1991}, pages = {195-202}, zbl = {0735.62073}, url = {http://dml.mathdoc.fr/item/GDZPPN002464497} }
Gupta, S.; Kageyama, S. Type S Designs with Nested Rows and Columns.. Metrika, Tome 38 (1991) pp. 195-202. http://gdmltest.u-ga.fr/item/GDZPPN002464497/