Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 109-124

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 125-129

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 131-135

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 137-143

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 145-152

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 153-167

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 169-172

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 173-175

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 177-178

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 179-181

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 183-184

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 185-187

Published in Gulf Research Reports, in 1978, in volume 6, issue 2, pages 189-208