> Multivolume work
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3:
Theories of nutation and polar motion 3 by Helmut Moritz
Columbus, Ohio: Ohio State Univ., Dep. of Geodetic Science, 19XX-
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2:
Theories of nutation and polar motion 2 by Helmut Moritz
Columbus, Ohio: Ohio State Univ., Dep. of Geodetic Science, 19XX-
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1:
Theories of nutation and polar motion 1 by Helmut Moritz
Columbus, Ohio: Ohio State Univ., Dep. of Geodetic Science, 19XX-