Published in Gulf Research Reports, in 1975, in volume 5, issue 1, pages 1-5

Published in Gulf Research Reports, in 1975, in volume 5, issue 1, pages 7-22

Published in Gulf Research Reports, in 1975, in volume 5, issue 1, pages 23-38

Published in Gulf Research Reports, in 1975, in volume 5, issue 1, pages 39-57

Published in Gulf Research Reports, in 1975, in volume 5, issue 1, pages 59-60

Published in Gulf Research Reports, in 1975, in volume 5, issue 1, pages 61-62