TY - BOOK AU - Hess,Wilmot N. TI - The radiation belt and magnetosphere T2 - A Blaisdell book in the pure and applied sciences AV - QC809.V3 H4 U1 - 539/.2 PY - 1968///] CY - Waltham, Mass. PB - Blaisdell Pub. Co. KW - Van Allen radiation belts N1 - Includes bibliographies ER -