Published in Gulf Research Reports, in 1976, in volume 5, issue 2, pages 11-16

Published in Gulf Research Reports, in 1976, in volume 5, issue 2, pages 17-28

Published in Gulf Research Reports, in 1976, in volume 5, issue 2, pages 29-33

Published in Gulf Research Reports, in 1976, in volume 5, issue 2, pages 35-41

Published in Gulf Research Reports, in 1976, in volume 5, issue 2, pages 43-45

Published in Gulf Research Reports, in 1976, in volume 5, issue 2, pages 46-47

Published in Gulf Research Reports, in 1976, in volume 5, issue 2, pages 49-60