The document discusses water and ocean structure. It was written by Mohamed Hassaan, a researcher at the National Institute of Oceanography and Fisheries in Egypt. The document appears to be from a collection on water and ocean structure published on http://www.indiana.edu.

1. Water and Ocean Structure
Edition and Collection from
http://www.indiana.edu
by :-
Mohamed Hassaan
Researcher
National Institute of Oceanography
and Fisheries, Egypt.