TY  - BOOK
AU  - Becker, Karl R.
CN  - TN23
CN  - TN23
CN  - TN279
CY  - [Washington, D.C.] :
DA  - 1982.
ID  - 40135
KW  - Blasting.
KW  - Electric detonators
PB  - U.S. Dept. of the Interior, Bureau of Mines,
PP  - [Washington, D.C.] :
PY  - 1982.
T1  - Effect of direct-current firing levels on detonator delay times /
TI  - Effect of direct-current firing levels on detonator delay times /
VL  - 8613
ER  -