000 00309pam a2200109a 44500
082 _aTR
_bRI-9310
100 _aJohn G Kovac
245 1 _aProbability of making a successful mine escape while wearing a self rescuer
_bacomputer simulation
260 _a
_b
_c
700 _aMichael J Brnich
997 _aTR6683 C
999 _c405844
_d405844