EQUATORIAL CORONAL ARCHES AND GEOMAGNETIC DISTURBANCESAWYER C; HANSEN SF.1972; SOLAR PHYS.; NETHERL.; DA. 1972; VOL. 26; NO 2; PP. 370-377; BIBL. 12REF.Serial Issue

DIFFERENTIAL ROTATION AND RECONNECTION AS BASIC CAUSES OF SOME CORONAL REORIENTATIONS.HANSEN SF; HANSEN RT.1975; SOLAR PHYS.; NETHERL.; DA. 1975; VOL. 44; NO 2; PP. 503-508; BIBL. 10 REF.Article

CORONAL ROTATION DURING SOLAR CYCLE 20PARKER GD; HANSEN RT; HANSEN SF et al.1982; SOL. PHYS.; ISSN 0038-0938; NLD; DA. 1982; VOL. 80; NO 1; PP. 185-198; BIBL. 30 REF.Article

LONG-LIVED CORONAL STRUCTURES AND RECURRENT GEOMAGNETIC PATTERNS IN 1974.HANSEN RT; HANSEN SF; SAWYER C et al.1976; PLANET. SPACE SCI.; G.B.; DA. 1976; VOL. 24; NO 4; PP. 381-388; BIBL. 28 REF.Article

EVOLUTION OF CORONAL HELMETS DURING THE ASCENDING PHRASE OF SOLAR CYCLE 20HANSEN SF; HANSEN RT; GARCIA CJ et al.1972; SOLAR PHYS.; NETHERL.; DA. 1972; VOL. 26; NO 1; PP. 202-224; BIBL. 1P.Serial Issue

CORONAL EVOLUTION DURING THE SUNSPOT CYCLE: CORONAL HOLES OBSERVED WITH THE MAUNA LOA K-CORONAMETERSHUNDHAUSEN AJ; HANSEN RT; HANSEN SF et al.1981; J. GEOPHYS. RES.; ISSN 0022-1406; USA; DA. 1981; VOL. 86; NO A4; PP. 2079-2094; BIBL. 64 REF.Article

ON THE REALITY OF POTENTIAL MAGNETIC FIELDS IN THE SOLAR CORONAPNEUMAN GW; HANSEN SF; HANSEN RT et al.1978; SOLAR PHYS.; NLD; DA. 1978; VOL. 59; NO 2; PP. 313-330; BIBL. 2 P.Article

CORONAL DENSITY STRUCTURES IN REGIONS OF TYPE III ACTIVITY.LEBLANC Y; KUIPER TBH; HANSEN SF et al.1974; SOLAR PHYS.; NETHERL.; DA. 1974; VOL. 37; NO 1; PP. 215-223; BIBL. 20 REF.Article

POLAR CORONAL HOLES AND COSMIC-RAY MODULATIONHUNDHAUSEN AJ; SIME DG; HANSEN RT et al.1980; SCIENCE; USA; DA. 1980; VOL. 207; NO 4432; PP. 761-763; BIBL. 32 REF.Article

SOLAR-CYCLE DEPENDENCE OF GALACTIC COSMIC RAY FLUX. II. THE CORRELATION BETWEEN THE NUCLEONIC FLUX AND SOLAR INDICES.PARKER GD; CHASSON RL; HANSEN RT et al.1976; SOLAR PHYS.; NETHERL.; DA. 1976; VOL. 48; NO 2; PP. 399-410; BIBL. 28 REF.Article

SOURCES OF MAGNETIC FIELDS IN RECURRENT INTERPLANTERY STREAMSBURLAGA LF; BEHANNON KW; HANSEN SF et al.1978; J. GEOPHYS. RES.; USA; DA. 1978; VOL. 83; NO 9; PP. 4177-4185; BIBL. 35 REF.Article

SYNOPTIC OBSERVATIONS OF THE SOLAR CORONA DURING CARRINGTON ROTATIONS 1580-1596. (11 OCTOBER 1971-15 JANUARY 1973).HOWARD RA; KOOMEN MJ; MICHELS DJ et al.1975; WORLD DATA CENTER A SOLAR-TERRESTR. PHYS., REP. U.A.G.; U.S.A.; DA. 1975; NO 48; PP. 1-196Article