01103nam--2200373---450-99000139058020331620050527130424.0000139058USA01000139058(ALEPH)000139058USA0100013905820040203d19741974km-y0itay0103----baengNL||||||||001yyModels and ultraproductsan introductiondi J. L. Bell and A. B. SlomsonAmsterdam [etc.]North Holland publishing company1974IX, 322 p.23 cm20012001001-------2001SovraproduzioniSaggiBELL,John L.119420SLOMSON,Alan B.53054ITsalbcISBD990001390580203316II.1.D. 995(IV A 1234)69025 L.M.IV ABKUMASIAV51020040203USA011635PATRY9020040406USA011738COPAT39020050527USA011304Models and ultraproducts933052UNISA