1. Ahluwalia, H. S.: 1988b, ‘Is there a Twenty Year Wave in the Diurnal Anisotropy of Cosmic Rays?’, Geophys. Res. Lett.
15, 287–290.
2. Ahluwalia, H. S.: 1991, ‘The Limiting Primary Rigidity for the Cosmic Ray Diurnal Anisotropy and the IMF’, Proc. 22nd Int. Cosmic Ray Conf.
2, 125–128.
3. Ahluwalia, H. S.: 1992, ‘A Correlation Between IMF and Limiting Primary Rigidity for the Cosmic Ray Diurnal Anisotropy’, Geophys. Res. Lett.
19, 633–636.
4. Ahluwalia, H. S.: 1993, ‘Hale Cycle Effects in Cosmic Ray East-West Anisotropy and Interplanetary Field’, J. Geophys. Res. 98, 11 513–11 519.
5. Ahluwalia, H. S.: 1994, ‘Cosmic Ray Transverse Gradient for a Hale Cycle’, J. Geophys. Res. 99, 23 515–23 521.