00451cam a22001454a 4500008004100000020001500041100001700056245008000073250001500153260004600168300003400214650001900248650001400267050002400281100909s2010    mauak    b    001 0 eng    a03211260921 aWeir, Jan D.10aCritical concepts of Canadian business law /cJan D. Weir and Shane A Ellis  a3rd.- ed.-  aOntario.cc2004.bPearson Addison Wesley.  axxii, 583 p. :bill., forms ; 0aCommercial law 0aContracts00aKE450.B87bW45 2010