Keary, P., & By , B. .. (1991). An introduction to geophysical exploration (2nd ed.). Blackwell Science.
Citace podle Chicago (17th ed.)Keary, Philip, a Brooks By. An Introduction to Geophysical Exploration. 2nd ed. London: Blackwell Science, 1991.
Citace podle MLA (9th ed.)Keary, Philip, a Brooks By. An Introduction to Geophysical Exploration. 2nd ed. Blackwell Science, 1991.
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