@article{5129, author = {M. Beck and D. Smithey and John Cooper and M. Raymer}, title = {Experimental determination of number-phase uncertainty relations}, year = {1993}, journal = {Optics Letters}, volume = {18}, pages = {1259}, month = {Jan-01-1993}, issn = {0146-9592}, doi = {10.1364/OL.18.001259}, }