The estimation of firmness in soft materials

[1] THE SUBJECTIVE JUDGEMENT OF THE ELASTIC AND PLASTIC PROPERTIES OF SOFT BODIES [J]. BRITISH JOURNAL OF PSYCHOLOGY-GENERAL SECTION, 1940, 31 : 61 - 79

[2] The subjective judgment of the elastic and plastic properties of soft bodies, the "differential thresholds" for viscosities and compression moduli [J]. PROCEEDINGS OF THE ROYAL SOCIETY SERIES B-BIOLOGICAL SCIENCES, 1939, 128 (850): : 109 - 125

[3] BLAIR GWS, 1942, AM J PSYCHOL, V51, P215

[4] BROOME DC, 1941, J SOC CHEM IND LOND, V60, P184

[5] Caffyn J., 1942, J SCI INSTRUM, V19, P88, DOI [10.1088/0950-7671/19/6/303, DOI 10.1088/0950-7671/19/6/303]

[6] WERTHEIMER M, 1924, GESALTTHEORIE

[7] 1938, SOURCE BOOK GESTALT, P10

[1] THE SUBJECTIVE JUDGEMENT OF THE ELASTIC AND PLASTIC PROPERTIES OF SOFT BODIES [J]. BRITISH JOURNAL OF PSYCHOLOGY-GENERAL SECTION, 1940, 31 : 61 - 79

[2] The subjective judgment of the elastic and plastic properties of soft bodies, the "differential thresholds" for viscosities and compression moduli [J]. PROCEEDINGS OF THE ROYAL SOCIETY SERIES B-BIOLOGICAL SCIENCES, 1939, 128 (850): : 109 - 125

[3] BLAIR GWS, 1942, AM J PSYCHOL, V51, P215

[4] BROOME DC, 1941, J SOC CHEM IND LOND, V60, P184

[5] Caffyn J., 1942, J SCI INSTRUM, V19, P88, DOI [10.1088/0950-7671/19/6/303, DOI 10.1088/0950-7671/19/6/303]

[6] WERTHEIMER M, 1924, GESALTTHEORIE

[7] 1938, SOURCE BOOK GESTALT, P10