Organisation for Economic Co-operation and Development, Centre for Co-operation with Economies in Transition, & Road Transport Research Programme. (1993). Road strengthening in Central and Eastern European countries. Organisation for Economic Co-operation and Development.

Organisation for Economic Co-operation and Development, Centre for Co-operation with Economies in Transition, and Road Transport Research Programme. Road Strengthening in Central and Eastern European Countries. Paris: Organisation for Economic Co-operation and Development, 1993.

Organisation for Economic Co-operation and Development, et al. Road Strengthening in Central and Eastern European Countries. Organisation for Economic Co-operation and Development, 1993.