1. Alger, R. P. (1966). Interpretation of electric logs in fresh-water wells in unconsolidated formations. Soc. Prof. Well Log Analysts, 7th Annu. Logging Symp., Tulsa, Okla. Trans. pp. CC1-CC25.
2. Borehole geophysical methods for analyzing specific capacity of multi-aquifer wells;Bennet;U.S. Geol. Surv., Water-Supply Pap.,1960
3. Boschart, R. A. (1969). Ground electromagnetic methods. Min. Groundwater Geophys., Proc. Can. Centennial Conf. Min. Groundwater Geophys. pp. 67–80.
4. Sur la nature de certaines anomalies gravimetriques dans les regions a depots carbonates epais de Roumanie;Botezatu;Acta Geol. Acad. Sci. Hung.,1971
5. Techniques for quality-of-water interpretations from calibrated geophysical logs, Atlantic coastal area;Brown;Ground Water,1971