00293nam a2200121Ia 4500082002300000100002200023245003100045260003400076300001500110490003600125500000500161700000500166  a519.501841bJ65.IB  aJohn, Peter W. M.  aIncomplete block designsb  aNew YorkbMarcel Dekkerc1980  avii, 101p.  aLecture notes in Statisticsv 1  a  a