Published in Gulf Research Reports, in 1968, in volume 2, issue 3, pages 213-254

Created: 2017-01-30, modified: 2017-01-30

Published in Gulf Research Reports, in 1968, in volume 2, issue 3, pages 257-271

Created: 2017-01-30, modified: 2017-01-30

Published in Gulf Research Reports, in 1968, in volume 2, issue 3, pages 273-279

Created: 2017-01-30, modified: 2017-01-30

Published in Gulf Research Reports, in 1968, in volume 2, issue 3, pages 285-299

Created: 2017-01-30, modified: 2017-01-30

Published in Gulf Research Reports, in 1968, in volume 2, issue 3, pages 301-312

Created: 2017-01-30, modified: 2017-01-30

Published in Gulf Research Reports, in 1968, in volume 2, issue 3, pages 313-321

Created: 2017-01-30, modified: 2017-01-30

Published in Gulf Research Reports, in 1968, in volume 2, issue 3, pages 325-329

Created: 2017-01-30, modified: 2017-01-30