Yemen

Parker A, Ollier CD. 2017. Is the Sea Level Stable at Aden, Yemen? Earth Systems and Environment. Springer International Publishing 1(2): 18. DOI: 10.1007/s41748-017-0020-z.

Rickards L. 2018. Comments on the Paper “Is the Sea Level Stable at Aden, Yemen?” by Albert Parker and Clifford D. Ollier in Earth Systems and Environment (Volume 1, December 2017). Earth Systems and Environment. Springer International Publishing 2(1): 1–3. DOI: 10.1007/s41748-018-0036-z.