00418nam a2200145Ia 450000500170000000800410001703700150005804000070007308200230008010000240010324500480012726000390017530000400021465000180025420260814110239.0260814t1980 xx 000 0 und d adonacioĢn aen aBIB/03.01.01/05455 aBach, George Leland 0aMicro-economics : analysis and applications aNew Jersey :bPrentice-Hall,c1980 axii, 479 pb. : ilus., grafs., tbls aMICROECONOMIA