Authors: Raiteri, CM Villata, M Aller, HD Aller, MF Heidt, J Kurtanidze, OM Lanteri, L Maesano, M Massaro, E Montagni, F Nesci, R Nilsson, K Nikolashvili, MG Nurmi, P Ostorero, L Pursimo, T Rekola, R Sillanpaa, A Takalo, LO Terasranta, H Tosti, G Balonek, TJ Feldt, M Heines, A Heisler, C Hu, J Kidger, M Mattox, JR McGrath, EJ Pati, A Robb, R Sadun, AC Shastri, P Wagner, SJ Wei, J Wu, X

Citation: Cm. Raiteri et al., Optical and radio variability of the BL Lacertae object AO 0235+16: A possible 5-6 year periodicity, ASTRON ASTR, 377(2), 2001, pp. 396-412