TY - JOUR AU - M. Beck AU - D. Smithey AU - John Cooper AU - M. Raymer BT - Optics Letters DA - Jan-01-1993 DO - 10.1364/OL.18.001259 PY - 1993 EP - 1259 T2 - Optics Letters TI - Experimental determination of number-phase uncertainty relations VL - 18 SN - 0146-9592 ER -