TY - BOOK T1 - Manua of Gear Design A1 - Buckingham, Earl LA - English PP - New York PB - Machinery Engineering YR - 1955 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.5153 OP - 168 KW - MinerĂ­a ER -