Rucker, Michael Lamar (1980). Feasibility of an induction strike probe for borehole exploration. M.S. thesis, Massachusetts Institute of Technology. http://library.mit.edu/item/000109804
Rucker, Michael Lamar (1980). Feasibility of an induction strike probe for borehole exploration. M.S. thesis, Massachusetts Institute of Technology. http://library.mit.edu/item/000109804