An analytical study of groundwater fluctuations in unconfined leaky aquifers induced by multiple localized recharge and withdrawal
by
Bansal R.K. and Teloglou I.S.
Modeling the relationship among energy demand, CO2 emissions and economic development: A survey for the case of Greece
by
Hatzigeorgiou E. , Polatidis H. and Haralambopoulos D.