El Avenc de les Pedreres, Gualba-Vallès Oriental
| Title | El Avenc de les Pedreres, Gualba-Vallès Oriental |
| Publication Type | Journal Article |
| Year of Publication | 1974 |
| Authors | Lagar, A, Cañelles, J, Torrella, J |
| Journal | Senderos |
| Volume | 184 |
| Pagination | 26-29 |
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