Klvaňa, Miroslav - Krivtsov, A. M. - Bumba, Václav
Photospheric velocity vector fields in irregular sunspots.
Magnetic fields and solar processes. Noordwijk: ESA Publications Division, 1999 - (Wilson, A.), s. 313-314. ISBN 92-9092-792-5.
[European meeting on solar physics /9./. Florence (IT), 12.09.1999-18.09.1999]
http://hdl.handle.net/11104/0022819