00410nam a2200145Ia 4500003000900000008004100009040001600050080002400066100001700090245005700107260003400164300001600198650003300214650001700247IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a53+54:629.19bPCS-1  aJacobs, J. A 0aPhysics and chemistry in spacebvol. 1cJ. A. Jacobs  aBerlinbSpringer-Verlagc1970  aviii, 179p.  aGeomagnetic micropulsations  aGeomagnetism