00665nam0 2200229 450 00001294420080613150149.020080613d1940----km-y0itay50------baengUSGBy-------001yyGraphshow to make and use themby Herbert Arkin and Raymond R. ColtonRev. ed.New York ; London1940XVI, 236 p.22 cmArkin,Herbert106836Colton,Raymond R.106837ITUNIPARTHENOPE20080613RICAUNIMARC000012944211.2/1785NAVA22008Graphs1203041UNIPARTHENOPE