the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere. 2. hydrogeology; geohydrology.
The Oxford Institute for Energy Studies (OIES), located in Oxford, United Kingdom, is a center for research into the economic and political areas of energy issues.
1 Earl Babbie, 'The Practice of Social Research', 10th edition, Wadsworth, Thomson Learning Inc., ISBN 0-534-62029-9. 2  A. Nuri Yurdusev, âLevel of Analysis and Unit of Analysis: A Case for Distinctionâ, Millennium: Journal of International Studies (Vol.22, No.1, Spring 1993), 77â88.