00441cam a22001334a 4500008004100000020001500041020001600056100001800072245008600090260005400176300002400230650002800254050002500282010821s2002    enka     b    001 0 eng    a0471496649  a0471496656 1 aTownend, John10aPractical statistics for environmental and biological scientists /cJohn Townend.  aChichester, England ;aNew York :bWiley,cc2002.  ax, 276 p. :bill. ; 0aMathematical statistics00aQA276.12b.T68 2002X