APA

Valkering C., . (1990). Rutting resistance of asphalt mixes containing non-conventional and polymer-modified binders. London: Shell Supply and Marketing Publication SM/M/90/40.

Chicago

Valkering CP, . 1990. Rutting resistance of asphalt mixes containing non-conventional and polymer-modified binders. London: Shell Supply and Marketing Publication SM/M/90/40.

Harvard

Valkering C., . (1990). Rutting resistance of asphalt mixes containing non-conventional and polymer-modified binders. London: Shell Supply and Marketing Publication SM/M/90/40.

MLA

Valkering CP, . Rutting resistance of asphalt mixes containing non-conventional and polymer-modified binders. London: Shell Supply and Marketing Publication SM/M/90/40. 1990.