00506nam a2200145   45000010006000000050017000069000010000231000023000332450182000565000016002387000033002547730049002879420007003369990017003434869820260918151303.0  a22391  aFLEISCHMAN, Robert  aHow the National Football League (NFL) Has Strategically Managed the 1961 Sports Broadcasting Act (SBA) to Gain Market Supremacy in the USA and a Dominant Market Niche in Mexico  aArtículos  aI.Mackenzie, Robert;aCoaut.  gnúm.20 (julio-diciembre, 2012) 51 - 71 pp.  c16  c48698d48698