Fletcher, Michael John.
Electron beam welding / M. J. Fletcher. - London : Mills and Boon, 1971 - 63 p. : ill. - M. & B. monograph ; ME/2 .
0263517071
Electron beam welding.
Electron beam welding / M. J. Fletcher. - London : Mills and Boon, 1971 - 63 p. : ill. - M. & B. monograph ; ME/2 .
0263517071
Electron beam welding.