Closure to “Tunnel Survey and Tunneling Machine Control”

1975 ◽  
Vol 101 (1) ◽  
pp. 151-151
Author(s):  
Edward W. Peterson ◽  
Peter Frobenius
1973 ◽  
Vol 99 (1) ◽  
pp. 21-37
Author(s):  
Edward W. Peterson ◽  
Peter Frobenius

2021 ◽  
Vol 1088 (1) ◽  
pp. 012080
Author(s):  
Nur Hudha Wijaya ◽  
Anton Yudhana ◽  
Robiyansah ◽  
Djoko Sukwono
Keyword(s):  
X Ray ◽  

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