Rykalin, N . Laser and electron beam material processing : handbook / N.Rykalin ... et al. . - Moscow : Mir Publishers , 1988. - 519p. : ills. ; 22cm 1 manual . Include index ISBN: 5030000232 Rs. 51.50 Subjects--Index Terms: LASER WELDING Dewey Class. No.: 621.366 / RYK/L