00650nam a2200181Ia 4500003000900000008004100009040001600050080001700066110004500083245009700128260004800225300001600273650003000289650003100319942000700350999001700357952009400374IN-BaIIA211028s9999 xx 000 0 eng d cIIA Library a520.248bSOL aOkayama Astrophysical Observatory918348 0aSolar vector magnetograms 1987cOkayama Astrophysical Observatory  aJapanbTokyo Astronomical Observatoryc1988 axiii, 250p. aSolar magnetograms918349 aVector magnetograms924040 cBK c13682d13682 00104070aBANbBANcGENd0000-00-00l0o520.248/ SOLp14601r2021-11-05w0000-00-00yBK