Campbell, M. D., & Lehr, J. H. (1973). Water well technology: Field principles of exploration, drilling and development of ground water and other selected minerals. McGraw-Hill.
Παραπομπή σε μορφή Chicago (17η εκδ.)Campbell, Michael D., και Jay H. Lehr. Water Well Technology: Field Principles of Exploration, Drilling and Development of Ground Water and Other Selected Minerals. New York: McGraw-Hill, 1973.
Παραπομπή σε μορφή MLA (9th εκδ.)Campbell, Michael D., και Jay H. Lehr. Water Well Technology: Field Principles of Exploration, Drilling and Development of Ground Water and Other Selected Minerals. McGraw-Hill, 1973.
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