000 00511nam a22001457a 4500
008 230607b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aR 016:622.356(410)
_bK8
245 _aSources of road aggregate in Great Britain
_c/ Road Research Laboratory Ministry of Transport
260 _aLondon:
_bRoad Research Laboratory Ministry of Transport,
_c1968
300 _av, 149p.
650 _aBibliography
653 _aSlag work
942 _2udc
_cREF
999 _c40384
_d40384