004740000a22001330004500060000800000082001500008100001800023245010900041260004500150260000900195300000800204490005900212650006900271  a100  a630.72 PAT  aPaterson, D D  aStatistical technique inagricultural research: a sample exposition of practice and procedure in biometry  aNew York, Mc Graw- Hill Book Company Inc  c1939  a263  aMc graw hill publications in the agricultural sciences  aAgriculture research-statistical techniques/biometry-agriculture