00436nam a2200109   45000010006000000050017000061000023000232450182000465000016002287000033002447730049002774869820260918151303.0  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.