.Source book on electron beam and laser welding：A comprehensive collection of outstanding articles from the periodical articles from the periodical and reference literature.ASM,1981.
Source book on electron beam and laser welding：A comprehensive collection of outstanding articles from the periodical articles from the periodical and reference literature
Melvin M. Schwartz.Source book on electron beam and laser welding：a comprehensive collection of outstanding articles form the periodical and reference literature.American Society for Metals,1981.
