https://rochester.alma.exlibrisgroup.com/discovery/openurl?institution=01ROCH_INST&vid=01ROCH_INST:Services&sid=google&auinit=M&aulast=Weiser&atitle=The computer for the 21st century&title=Scientific American&volume=265&issue=3&date=1991&spage=94&issn=0036-8733&rft.genre=article