TY  - BOOK
AU  - Hjelmstad, Kenneth E.
AU  - Griffin, Russell E.
CN  - I 28.23:
CN  - TN23
CN  - TN279
CY  - Washington, D.C. :
DA  - 1993.
ID  - 184715
KW  - Electric detonators
KW  - Electromagnetic waves
KW  - Fire alarms.
N1  - Distributed to depository libraries in microfiche.
N1  - Shipping list no.: 94-0277-M.
PB  - U.S. Dept. of the Interior, Bureau of Mines,
PP  - Washington, D.C. :
PY  - 1993.
T1  - Effect of ultralow frequency signaling on blasting array current
TI  - Effect of ultralow frequency signaling on blasting array current
VL  - 9479
ER  -