00490nam a2200133Ia 450000500170000000800410001708200160005810000180007424500750009226000660016794200070023395201010024099900150034120250107154740.0241216s9999||||xx |||||||||||||| ||und||  aREF 526 BAD  aBadekas, John 0aInvestigations related to the establishment of a world geodetic system  aColumbusbThe Ohio State University research Foundationc1969  cBK  104070aARULIBbARULIBcReferenced2024-12-16l0oREF 526 BADp9590r2024-12-16w2024-12-16yBK  c5369d5369