FIELD-ALIGNED PRECIPITATION OF > 30-KEV ELECTRONS.WILLIAMS DJ; TREFALL H.1976; J. GEOPHYS. RES.; U.S.A.; DA. 1976; VOL. 81; NO 16; PP. 2927-2930; BIBL. 5 REF.Article

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ON THE MORPHOLOGY OF ENERGETIC ( >OU= 30 KEV) ELECTRON PRECIPITATION DURING THE GROWTH PHASE OF MAGNETOSPHERIC SUBSTORMS.PYTTE T; TREFALL H; KREMSER G et al.1976; J. ATMOSPH. TERRESTR. PHYS.; G.B.; DA. 1976; VOL. 38; NO 7; PP. 739-755; BIBL. 2 P.Article

ON THE MORPHOLOGY OF ENERGETIC ( >OU= 30 KEV) ELECTRON PRECIPITATION AT THE ONSET OF NEGATIVE MAGNETIC BAYS.PYTTE T; TREFALL H; KREMSER G et al.1976; J. ATMOSPH. TERRESTR. PHYS.; G.B.; DA. 1976; VOL. 38; NO 7; PP. 757-773; BIBL. 38 REF.Article

AUTOMATIC DIGITAL DATA PROCESSING SYSTEM FOR BALLOON RECORDINGS TELEMETERED IN THE STANDARD SBARMO FORMAT.HAVAG M; TREFALL H; ULLALAND SL et al.1974; S.B.A.R.M.O. BULL.; FR.; DA. 1974; VOL. 6; NO 1-2; PP. 97-124; BIBL. 1 REF.Article

CORRELATION BETWEEN PULSATIONS IN AURORAL LUMINOSITY VARIATIONS AND X-RAYSSOERENSEN T; BJORDAL J; TREFALL H et al.1973; J. ATMOSPH. TERRESTR. PHYS.; G.B.; DA. 1973; VOL. 35; NO 5; PP. 961-969; BIBL. 21 REF.Serial Issue

ON THE MORPHOLOGY OF AURORAL-ZONE X-RAY EVENTS. IV. SUBTORM-RELATED ELECTRON PRECIPITATION IN THE LOCAL MORNING SECTOR.KANGAS J; LUKKARI L; TANSKANEN P et al.1975; J. ATMOSPH. TERRESTR. PHYS.; G.B.; DA. 1975; VOL. 37; NO 10; PP. 1289-1303; BIBL. 28 REF.Article

ENERGY SPECTRAL VARIATIONS DURING SVA PRECIPITATION EVENTS ON THE MORNING AND DAY SIDE OF THE AURORAL ZONE.KANGAS J; TANSKANEN P; TREFALL H et al.1974; J. ATMOSPH. TERRESTR. PHYS.; G.B.; DA. 1974; VOL. 36; NO 5; PP. 1269-1275; BIBL. 25 REF.Article

AURORAL X-RAY AND CONJUGATS IONOSPHERIC ABSORPTION OBSERVATIONS OF AN ELECTRON PRECIPITATION EVENT ACCOMPANYING A SUDDEN IMPULSE IN THE GEOMAGNETIC FIELDBARCUS JR; BROWN RR; KARAS RH et al.1972; J. GEOPHYS. RES.; U.S.A.; DA. 1972; VOL. 77; NO 31; PP. 6294-6297; BIBL. 9 REF.Serial Issue