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- [2] NATURAL OUTCROSSING OF OKRA IN PUERTO-RICO [J]. JOURNAL OF AGRICULTURE OF THE UNIVERSITY OF PUERTO RICO, 1983, 67 (01): : 50 - 52
- [3] INSTABILITY OF NATURAL SLOPES IN PUERTO-RICO [J]. PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON SOIL MECHANICS AND FOUNDATION ENGINEERING, VOL 3, 1989, : 1623 - 1626
- [10] NATURAL HAZARDS IN PUERTO-RICO - ATTITUDES, EXPERIENCE, AND BEHAVIOR OF HOMEOWNERS - PALM,RI, HODGSON,ME [J]. PROFESSIONAL GEOGRAPHER, 1994, 46 (03): : 398 - 399