References
- ANON , 1969 , Randout Comparison Guide ( London WALMORE ELECTRONICS LTD .).
- DAWE , P. G. M. , 1960 , A transistorised voice operated, relay. Quarterly Journal of Experimental Psychology , 18 , 82 – 84 .
- FOLEY , P. J. , and SCOTT , D. M. , 1957 , Legibility of loroy digits as a function of size, distance, angle of view and illumination level. Defence Mcscarch Laboratories , Toronto , Ontario Jieporl No. 76–73, June .
- GIBNEY , T. K. , 1967 , Legibility of segmented versus standard numotals a review. Aerospace Medical Jtcsaarch Laboratories , Wright-Patterson Air Force Base AMRL-TK-07–116, June .
- MORGAN , C. T. , COOK , J. S. , CHAPANIS , A. , and LUND , M. W. , 1963 , Human Engineering Guide to Equipment Design ( New York MCGRAW-HILL ).
- MURRELL , K. F. H. , and EDWAHDS , E. , 1963 , Field trials of an indicator of machine tool travel with special reference to the ageing worker. Occupational Psychology , 37 , 267 – 275 .
- MURRELL. , K. F. H. , and KINGSTON , P. M. , 1966 , Experimental comparison of scalar and digital micrometers. Ergonomics , 9 , 39 – 47 .
- ROLFE , J. M. , 1969 , Some investigations into the effectiveness of numerical displays for the presentation of dynamic information. Royal Air Force Institute of Aviation Medicine IAM Report No. 470 .
- ROLFE , J. M. , and CLWFOKD , A. C. , 1964 , Compensatory tracking performance on a digital display. Royal Air Force Institute of Aviation, Medicine IAM Report No. 293 .
- SHURTLEFF , D. , 1966 , |ctDesign problems in visual displays. Part 1. Classical factors in the legibility of numerals and capital letters. Mitre Corp. Bedford Mass . MTR 20 Part 1 .
- SIEGEL , S. , 1950 , Non-Parametric Statistics for the Behavioural Sciences ( New York MCGRAW-HILL ),
- WARRICK , M. J. , 1954 , Counters for airborne uso. USAF Wright Patterson Air Development Centre WADG Technical Report , 54 – 266 .
- ZEFF , C. , 1965 , A comparison of conventional and digital time displays. Ergonomics , 8 , 3 .