Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 333-362

Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 363-374

Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 375-386

Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 387-394

Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 395-399

Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 401-413

Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 415-421

Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 423-426

Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 427-429

Published in Gulf Research Reports, in 1992, in volume 8, issue 4, pages 431-434