@misc{szelagowski_manual_and_1988, 
author={Szelagowski, P.},
title={Manual and mechanized welding methods for hyperbaric application},
year={1988},
howpublished = {conference lecture: Madrid (E);},
note = {Szelagowski, P.: Manual and mechanized welding methods for hyperbaric application. II Congreso Iberoamericano de Soldadura. Madrid (E), 1988.}}