00344nam a2200121Ia 4500008004100000040001500041041001200056082001700068100002000085245006600105260003500171300001600206230917s9999||||xx |||||||||||||| ||und||  e2195aMAIN  aEnglish  a551.11 I8C:G  aCaputo, Michele 0aGravity field of the earth: From classical and modern methods  aNew YorkbAcademic Pressc1967  axiv, 202 p.