OPTICAL OBSERVATIONS OF BL LAC = VRO 42.22.01

[1] MACLEOD JM, 1968, ASTROPHYS LETT, V1, P243

[2] SPECTROPHOTOMETRIC OBSERVATIONS OF RAPID VARIABILITY IN 3C 279 AND 3C 446 [J]. ASTROPHYSICAL JOURNAL, 1967, 147 (03) : 901 - &

[3] Schmidt-Kaler T., 1961, ASTRON NACHR, V286, P113

[4] SCHMIDTKALER T, 1965, ASTRONOMIE ASTROPHYS, P284

[5] BL LAC IDENTIFIED AS A RADIO SOURCE [J]. NATURE, 1968, 218 (5142) : 663 - &

[6] VOIGT HH, 1965, ASTRONOMIE ASTROP ED, P284

[1] MACLEOD JM, 1968, ASTROPHYS LETT, V1, P243

[2] SPECTROPHOTOMETRIC OBSERVATIONS OF RAPID VARIABILITY IN 3C 279 AND 3C 446 [J]. ASTROPHYSICAL JOURNAL, 1967, 147 (03) : 901 - &

[3] Schmidt-Kaler T., 1961, ASTRON NACHR, V286, P113

[4] SCHMIDTKALER T, 1965, ASTRONOMIE ASTROPHYS, P284

[5] BL LAC IDENTIFIED AS A RADIO SOURCE [J]. NATURE, 1968, 218 (5142) : 663 - &

[6] VOIGT HH, 1965, ASTRONOMIE ASTROP ED, P284