Waldron, H. H. 1. (1967). Debris flow and erosion control problems caused by the ash eruptions of Irazu Volcano, Costa Rica. Washington: United States Government Printing Office.
Citación estilo ChicagoWaldron, Howard Hamilton 1917-. Debris Flow and Erosion Control Problems Caused By the Ash Eruptions of Irazu Volcano, Costa Rica. Washington: United States Government Printing Office, 1967.
Cita MLAWaldron, Howard Hamilton 1917-. Debris Flow and Erosion Control Problems Caused By the Ash Eruptions of Irazu Volcano, Costa Rica. Washington: United States Government Printing Office, 1967.
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