000004905 001__ 4905
000004905 005__ 20200610165701.0
000004905 037__ $$aCTALK-2020-0121
000004905 100__ $$aHayakawa, Hisashi
000004905 245__ $$aHisako Koyama’s Sunspot Observations and their Digitization
000004905 260__ $$c2019
000004905 269__ $$c2019-08-22
000004905 594__ $$aSTCE
000004905 700__ $$aClette, Frédéric
000004905 773__ $$tISSI Team Meeting 2, Recalibration of the Sunspot Number series, Bern, Switzerland
000004905 8560_ $$ffrederic.clette@observatoire.be
000004905 85642 $$ahttps://www.issibern.ch/teams/sunspotnoser/wp-content/uploads/2019/09/P4_13_Hayakawa_Koyama_approved.pdf
000004905 906__ $$aContributed
000004905 980__ $$aCTALKCONT