1. Ap time variations and IMF;Ahluwalia;J. Geophys. Res.,2000
2. Ahluwalia, H.S., 2003. Meandering path to solar activity forecast for cycle 23, 2003. In: Velli, M., Bruno, R., Malra, F. (Eds.), Solar wind Ten: Proc.10th Int. Solar Wind Conf., AIP: CP679, pp. 176–179.
3. Sunspot cycle 24 ascent to peak activity: a progress report;Ahluwalia;Proc. 32nd Int Cosmic Ray Conf.,2011
4. Timelines of cosmic ray intensity, Ap, IMF, and sunspot numbers since 1937;Ahluwalia;J. Geophys. Res.,2011
5. Three-cycle quasi-periodicity in solar, geophysical, cosmic ray data and global climate change;Ahluwalia;Indian J. Radio Space Phys.,2012