Characteristics of ultrasonic ranging sensors in an underground environment

Author: Strickland, W. H.
Additional Authors: King, Robert H.
Year: 1993
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:9452
Series: Report of investigations / Bureau of Mines ;
Report Number: 9452
Subjects: Mining machinery--Automatic control
Sonar
Links: https://hdl.handle.net/2027/mdp.39015077558586
no.9452 1993

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