Gaya APA

Keith, R.J.. (1974). An in situ method for determining the elastic parameters of pavement materials by an ultrasonic technique . : ARRB.

Gaya Chicago

Keith, R.J.. An in situ method for determining the elastic parameters of pavement materials by an ultrasonic technique. : ARRB, 1974. Computer Software.

Gaya MLA

Keith, R.J.. An in situ method for determining the elastic parameters of pavement materials by an ultrasonic technique. : ARRB, 1974. Computer Software.

Gaya Turabian

Keith, R.J.. An in situ method for determining the elastic parameters of pavement materials by an ultrasonic technique. : ARRB, 1974. Computer Software.