00833nam0-2200301---450-99000918410040332120100510121240.00398041180000918410FED01000918410(Aleph)000918410FED0100091841020100510d1980----km-y0itay50------baengy-------001yyBerylliuma potential environmental contaminantby Charles C. WilberSpringfield, Ill.Thomas1980130 p.24 cmAmerican lecture seriesno.1040AmbienteWilber,Charles G.145959ITUNINARICAUNIMARCBK990009184100403321IG 16 A 272538DMIGIDMIGIBeryllium779950UNINA