1. Modulation features of galactic cosmic rays in 1982;Bazilevskaya,1990
2. Relation of the 11-year and annual cosmic ray variations to the heliolatitude index of solar activity according to the spots and green coronal line;Dorman,1977
3. Analysis of the effect of the cosmic-ray intensity delay relative to the heliolatitude index of solar activity in the 20th solar activity cycle;Dorman,1977
4. Rigidity dependence and the correlation with solar activity of the 11-year variation;Hatton;Can. J. Phys.,1968