000 00391nam a22001337a 4500
008 230221b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _a622.83
_bM1
100 _aCoates, D F
245 _aRock mechanics principles
260 _aCanada:
_bMinister of Supply and Services,
_c1981
650 _aScience
942 _2udc
_cBK
999 _c47428
_d47428