TY - BOOK T1 - Drifting continents and shifting theories A1 - Le Grand, H.E LA - English PP - Cambridge PB - Cambridge University Press YR - 1991 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.4360 OP - 313 SN - 0-521-31105-5 KW - GeologĂ­a ER -