000 00491nam a22001577a 4500
008 230621b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a625.7
_bK0
245 _aSource of road aggregate in Great Britain
_c/Department of scientific and industrial research
250 _a3rd ed.
260 _aLondon:
_bHer Majesty's Stationery Office,
_c1960
300 _a113p.
650 _aRoad
653 _aSource
942 _2udc
_cBK
999 _c45671
_d45671