TY - BOOK T1 - GeologĂ­a estructural A1 - Billings, Marland P. PP - Buenos Aires PB - EUDEBA YR - 1963 ED - 2a. ed. UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.150202 OP - 564 ER -