00449nam a22001457a 4500008004100000040001800041041000800059100002000067245005800087260005500145300001800200490003700218650003400255650001400289130821s1963    xxu    gr           eng    aCo-BoUCMbspa00aeng1 aShefter, Harry.10aHow to prepare talks and oral reportscHarry Shefter.  aNueva York (Estados Unidos)bPocket Booksc[c1963]  a239 páginas0 aA Giant cardinal editionvGC-13304aCongresos, conferencias, etc.04aDiscursos