TY - BOOK ID - 137413633 TI - A study of polar cap and auroral zone magnetic variations AU - Kawasaki, K. AU - Akasofu, Syun-Ichi AU - United States. PY - 1972 PB - Asheville, N.C. : U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Environmental Data Service, DB - UniCat KW - Magnetic storms KW - Auroral substorms. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137413633 AB - ER -