000			003120000a22001330004500
245			_aRoads and the environment
100			_aDe Hamel, Bruno
260			_aLondon _bH.M.S.O. _c1976
300			_avii, 10p. : photos.
020			_a0115503684
080			_a625.7:711.7 _bD4
041			_aEN
942			_cBK _03
999			_c103873 _d103873