Photometric study of the properties of spot rotational modulation in weak line T Tauri stars Grankin, K. N. ; Ibragimov, M. A. ; Kondrat'ev, V. B. ; Mel'Nikov, S. Yu. ; Shevchenko, V. S. Abstract Publication: Astronomy Reports Pub Date: November 1995 Bibcode: 1995ARep...39..799G