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.
Chicago Style CitationWaldron, 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.
MLA CitationWaldron, 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.
Warning: These citations may not always be 100% accurate.