000 00277pam a2200109a 44500
082 _aTR
_bRI-9374
100 _aD. P. Kovscek
245 1 _aTesting of a diesel-powered impact cutting head for hard-rock mining
260 _a
_b
_c
700 _aH. Handewith
997 _aTR6756 C
999 _c405913
_d405913