@inproceedings{inproceedings737e5025, title = {Ultrasonic pig for oil pipeline inspection}, author = {Furukawa, Celso Massatoshi and Adamowski, Júlio Cezar and Camerini, C. S.}, year = {1999}, publisher = {ABCM / UNICAMP}, booktitle = {Congresso Brasileiro de Engenharia Mecânica} }