000 00274pam a2200097a 44500
082 _aTR
_bRI-9293
100 _aBernard J. Steblay
245 1 _aEvulation of pulsed phase lock loop technology applied to mine roof bolt load measurement
260 _a
_b
_c
997 _aTR6666 C
999 _c405827
_d405827