Bullard, E. C. (1939). Component parts of the World Heat Flow Data Collection. PANGAEA.
Chicago-čujuhus (17. p.)Bullard, Edward Crisp. Component Parts of the World Heat Flow Data Collection. PANGAEA, 1939.
MLA-čujuhus (9. p.)Bullard, Edward Crisp. Component Parts of the World Heat Flow Data Collection. PANGAEA, 1939.
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