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159.
| Conf. Talk (Inv.) Long-term variations in the sunspot number and sunspot properties
/ Clette, F. ; Lefèvre, L.
Invited talk presented at AGU Chapman Conference, Key Largo, USA, 8/4/2013 on 2013-04-xx
[SIDCimport-753]
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160.
| Conf. Talk Sunspots behavior during the recent Solar Minimum
/ Lefèvre, L. ; Clette, F.
Talk presented at 3rd SSN workshop on 2013-xx-xx
[SIDCimport-751]
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161.
| Conf. Talk The stability of the Sunspot Number: reconstructions and lessons from the last 30 years
/ Clette, F. ; Wauters, L. ; et al
Talk presented at 3rd Sunspot Number Workshop, National Solar Observatory, Tucson, USA, 22/1/2013 on 2013-xx-xx
[SIDCimport-750]
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162.
| Seminar Correlation between sunspot numbers and EUV irradiance as observed by LYRA on PROBA2
/ Dammasch, I.E. ; Lefèvre, L.
Seminar presented at ROB/SIDC, Brussels, Belgium on 2013-07-xx
[SIDCimport-741]
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163.
| Conf. Poster Correlation between sunspot numbers and EUV irradiance as observed by LYRA on PROBA2
/ Dammasch, I.E. ; Lefèvre, L.
Poster presented at 9th European Space Weather Week on 2012-xx-xx
[SIDCimport-731]
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164.
| Conf. Talk (Inv.) A multi-secular sunspot number perspective on the current solar cycle
/ Lefèvre, L. ; Clette, F.
Invited talk presented at Proc. 40th COSPAR Scientific Assembly. Held 2-10 August 2014, in Moscow, Russia, on 2014-xx-xx
[SIDCimport-628]
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165.
| Science Article (Ref.) Equivalence relations between the Cortie and Zurich sunspot group morphological classifications
/ Carrasco, Victor ; Lefèvre, L. ; Vaquero, J.M. ; Gallego, Maricruz
published in Solar Physics, 290, pp. 1445-1455 (2015)
10.1007/s11207-015-0679-y
[SIDCimport-624]
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166.
| Conf. Talk Towards a first detailed reconstruction of sunspot information over the last 150 years
/ Lefèvre, L. ; Clette, F.
Talk presented at EGU General Assembly, Vienna, Austria on 2013-04-xx
[SIDCimport-604]
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167.
| Science Article (Ref.) Survey and Merging of Sunspot Catalogs
/ Lefèvre, L. ; Clette, F.
published in Solar Physics, 289, pp. 545-561 (2014)
10.1007/s11207-012-0184-5
[SIDCimport-603]
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168.
| Science Article (Ref.) Are the sunspots really vanishing?. Anomalies in solar cycle 23 and implications for long-term models and proxies
/ Clette, F. ; Lefèvre, L.
published in Journal of Space Weather and Space Climate, 2, pp. A06 (2012)
10.1051/swsc/2012007
[SIDCimport-557]
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