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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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169.
| Science Article (Ref.) Survey and Merging of Sunspot Catalogs
/ Lefèvre, L. ; Clette, F.
published in Solar Physics, Online First (2012)
[SIDCimport-555]
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170.
| Science Article (Ref.) A global small-sunspot deficit at the base of the index anomalies of solar cycle 23
/ Lefèvre, L. ; Clette, F.
published in Astronomy Astrophysics, 536, pp. L11 (2011)
10.1051/0004-6361/201118034
[SIDCimport-482]
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171.
| Science Article In-depth survey of sunspot and active region catalogs
/ Lefèvre, L. ; Clette, F. ; Baranyi, T.
published in IAU Symposium Proceedings of the International Astronomical Union 273 (2011)
10.1017/S1743921311015286
[SIDCimport-468]
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