Pleiades

Number of stars per data source

	Reference  140 :    9 stars
	Reference  173 :   67 stars
	Reference  201 :   31 stars
	Reference  203 :   47 stars

140: Zapatero Osorio M.R., Rebolo R., Martin E.J.; (1997) Astron. Astrophys. 317, 164; Brown dwarfs in the Pleiades cluster: a CCD-based R,I survey; 1997A&A...317..164Z
173: Pietrzynski G., Kubiak M., Udalski A., Szymanski M.; (1997) Acta Astron. 47, 437; Optical gravitational lensing experiment. A CCD search for variable stars in open clusters - NGC 5381; 1997AcA....47..437P
201: Bouvier J., Stauffer J.R., Martin E.L., Barrado y Navascues D., Wallace B., Bejar V.J.S.; (1998) Astron. Astrophys. 336, 490; Brown dwarfs and very low-mass stars in the Pleiades cluster: a deep wide-field imaging survey; 1998A&A...336..490B
203: Zapatero Osorio M.R., Rebolo R., Martin E.L., Hodgkin S.T., Cossburn M.R., Magazzu A., Steele I.A., Jameson R.F.; (1999) Astron. Astrophys. Suppl. 134, 537; Brown dwarfs in the Pleiades cluster. III. A deep IZ survey; 1999A&AS..134..537Z