000 00431nam a22001337a 4500
008 230703b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a622.271
_bL7
245 _aPit slope manual chapter 3:
_c/ Minerals Research Program
_bMechanical properties
260 _aCanada:
_bMinerals Research Program,
_c1977
300 _a87p.
650 _2Science
942 _2udc
_cPR
999 _c48731
_d48731