Results of Geomagnetic Observations, Hel Geophysical Observatory, 1995 (Publications of the Institute of Geophysics, Polish Academy of Sciences)
Paperback
details (United Kingdom).
ISBN: 978-83-85173-58-8
ISBN-10: 83-85173-58-7
Instytut Geofizyki, Polska Akademia Nauk · 1996