00293nam a2200121Ia 450000500170000000800410001704100080005808200130006610000170007924500260009626000410012230000080016320260720174618.0260720s2003    xx            000 0 und d  aeng  a500 JOSA  aJoseph, Mary  aAlexander Graham Bell  aNew DelhibSterling Publishersc2003  a48p