Synoptic measurements of geomagnetic field spectra /
by J.R. Heirtzler and M.J. Davidson.

APA Citation

Heirtzler, J. R. (James R.)., Davidson, M. James., Lamont Geological Observatory. (1967). Synoptic measurements of geomagnetic field spectra. Palisades, New York: Lamont Geological Observatory of Columbia University.

MLA Citation

Heirtzler, J. R. (James R.), Maurice James Davidson, and Lamont Geological Observatory. Synoptic Measurements of Geomagnetic Field Spectra. Palisades, New York: Lamont Geological Observatory of Columbia University, 1967.