TY - BOOK AU - Leveson,David AU - Leveson,Meg TI - A sense of the earth T2 - Anchor Natural History Books U1 - 550 PY - 1972/// CY - New York PB - Doubleday & Company KW - GeologĂ­a N1 - BibliografĂ­a: p. [170]-172 ER -