00826nam0 2200253 450 00002373520090302103657.0052108341920090302d1972----km-y0itay50------baengGBa-------001yy<<An >>introduction to the ionosphere and magnetosphereJ. A. RatcliffeCambridgeAt the University press1972X, 256 p.ill.22 cm<<An >>introduction to the ionosphere and magnetosphere44567Magnetismo53818MagnetismoRatcliffe,J. A.33257ITUNIPARTHENOPE20090302RICAUNIMARC000023735S 538/19S A 997DSA2009Introduction to the ionosphere and magnetosphere44567UNIPARTHENOPE