003160000a22001330004500050000800000060000800008082001400016100001500030100001800045245005900063260004300122260000900165300000800174  a010  a100  a519.5 VIJ  aGangwar, B  aVijay, Katyal  aStatistical methods for agricultural field experiments  aNew Delhi, New India publishing agency  c2011  a148