00991nam a2200301 i 450099100081106970753620020507173902.0940517s1985 uk ||| | eng 0521257549b10760489-39ule_instLE01302678ExLDip.to Matematicaeng511.6AMS 05BQA166.25Hughes, Daniel R.42177Design theory /D. R. Hughes, F. C. PiperCambridge :Cambridge University Press,c1985viii 240 p. ;24 cm.Combinatorial configurationsCombinatorial designsPiper, Fred C..b1076048911-02-0928-06-02991000811069707536LE013 05B HUG11 (1985)12013000007489le013-E0.00-l- 0200200.i1085564628-06-02Design Theory349578UNISALENTOle01301-01-94ma -enguk 01