1. Cotinuous-Wave Laser Action on Vibrational-Rotational Transitions of CO2;Patel;Phys. Rev.,1964
2. Metal Cutting by Oxygen Assisted Laser;Sullivan;Brit. Welding. J.,1967
3. Cutting with polarized laser beam;Olsen;DVS-berichte,1980
4. Dynamic behaviour in laser gas cutting;Arata;Trans. JWSI,1979