Applied atol research for development : proceedings of the Kiribati applied atol research for development consultation, Tarawa, 27 February to 2 March 1989 1989 Thaman, R. R. |
Environmental profile : Al Bayda Governorate, Yemen Arab Republic 1990 Beck, Robert | Tahlen, Dik C. P. |
Biological diversity assessment of the Republic of Yemen 1990 Varisco, Daniel Martin | Ross, James Perran | Milroy, Anthony |
Environmental profile : Dhamar Governorate, Yemen Arab Republic 1990 Beck, Robert | Tahlen, Dik C. P. |