Citation:
Johnson JA, Winn JN, Rampazzi F, Barbieri C, Mito H, Tarusawa K-ichi, Tsvetkov M, Borisova A, Meusinger H. The History of the Mysterious Eclipses of KH 15D. II. Asiago, Kiso, Kitt Peak, Mount Wilson, Palomar, Tautenburg, and Rozhen Observatories, 1954-1997. \aj. 2005;129 (4) :1978-1984.