00296nam a2200121Ia 4500082002100000100002200021245004600043260004500089300001600134500001400150500000500164700000500169  a519.531bC518.RD  aCheng, Ching-Shui  aRecent developments in factorial designb  aBerkeleybUniversity of Californiac2002  avar.p Bibl.  aPhotocopy  a  a