00314nam a2200121 a 450000500170000002000150001708200200003210000120005224500640006426000300012830000180015870000160017620251203090533.0 a0412301105 a630.72,bD, mea aMead R. aStatistical methods in agriculture and experimental Biology aLoNew DelhionbElBSc1983 axi,335p, 23cm aCurnow R.N.