00555nam a22001937a 45000010005000000030010000050050017000150400014000320080041000460200018000871000021001052450073001262500006001992600039002053000011002444900025002556500049002806500032003295090MX-SIABUC20260702203341.0  aMX-SIABUC991231s        0000000             000 d  a0-314-00783-040aCohen, Morris L.0 aLegal research in a nutshell /cby Morris L. Cohen and Kent C. Olson4 a54 aSt. Paul, Minn. :bWest Publishing4 a370 p.  aWest Nutshell Series  a1. METODOLOGÍA JURÍDICAz-ESTADOS UNIDOS  a2. DERECHOz-ESTADOS UNIDOS