APA

Dickinson E., Robinson G., . (1977). Interlaboratory precision of the penetration test for paving bitumens when the test is done at 15 o C with a 200g load and a 60s loading time. Vermont South, Vict: Australian Road Research Board. RR nr 73.

Chicago

Dickinson EJ, Robinson GK, . 1977. Interlaboratory precision of the penetration test for paving bitumens when the test is done at 15 o C with a 200g load and a 60s loading time. Vermont South, Vict: Australian Road Research Board. RR nr 73.

Harvard

Dickinson E., Robinson G., . (1977). Interlaboratory precision of the penetration test for paving bitumens when the test is done at 15 o C with a 200g load and a 60s loading time. Vermont South, Vict: Australian Road Research Board. RR nr 73.

MLA

Dickinson EJ, Robinson GK, . Interlaboratory precision of the penetration test for paving bitumens when the test is done at 15 o C with a 200g load and a 60s loading time. Vermont South, Vict: Australian Road Research Board. RR nr 73. 1977.