Gaya APA

Beardwood, Jillian. (1972). The space-averaging of deterrent functions for use in gravity model distribution calculations . : TRRL.

Gaya Chicago

Beardwood, Jillian. The space-averaging of deterrent functions for use in gravity model distribution calculations. : TRRL, 1972. Chart.

Gaya MLA

Beardwood, Jillian. The space-averaging of deterrent functions for use in gravity model distribution calculations. : TRRL, 1972. Chart.

Gaya Turabian

Beardwood, Jillian. The space-averaging of deterrent functions for use in gravity model distribution calculations. : TRRL, 1972. Chart.