Published in Gulf Research Reports, in 1974, in volume 4, issue 3, pages 323-327

Published in Gulf Research Reports, in 1974, in volume 4, issue 3, pages 328-350

Published in Gulf Research Reports, in 1974, in volume 4, issue 3, pages 351-356

Published in Gulf Research Reports, in 1974, in volume 4, issue 3, pages 357-379

Published in Gulf Research Reports, in 1974, in volume 4, issue 3, pages 380-475

Published in Gulf Research Reports, in 1974, in volume 4, issue 3, pages 476-478

Published in Gulf Research Reports, in 1974, in volume 4, issue 3, pages 479-481

Published in Gulf Research Reports, in 1974, in volume 4, issue 3, pages 482-484