Physical Review LettersWiseman and Milburn replyHoward M. Wiseman, Gerard J MilburnPublished Jun 20, 1994• 1 citationPublisherAbstractReceived 7 January 1994DOI:https://doi.org/10.1103/PhysRevLett.72.4054©1994 American Physical SocietyDOI10.1103/physrevlett.72.4054