Rummel, R., & Hipkin, R. G. (1990). Gravity, gradiometry, and gravimetry: Symposium No 103. Edinburgh, Scotland, August 8-10, 1989. New York: Springer.
Παραπομπή Chicago StyleRummel, Reiner, and Roger G. Hipkin. Gravity, Gradiometry, and Gravimetry: Symposium No 103. Edinburgh, Scotland, August 8-10, 1989. New York: Springer, 1990.
Παραπομπή MLARummel, Reiner, and Roger G. Hipkin. Gravity, Gradiometry, and Gravimetry: Symposium No 103. Edinburgh, Scotland, August 8-10, 1989. New York: Springer, 1990.
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