Cyclic loss of open solar flux since 1868: The link to heliospheric current sheet tilt and implications for the Maunder Minimum

Cyclic Magnetic Field Reconnection

Cyclic Magnetic Universe

Cyclic Period Changes in Close Binaries: A Light Travel Time Effect or a Symptom of Magnetic Activity?

Cyclic Period Changes in the Algol WW Cygni

Cyclic phenomena in the circumstellar gaseous envelope of the candidate Herbig A0e star HD163296

Cyclic Polarization in Venus Equatorial Zone

Cyclic polarization in Venus' equatorial zone

Cyclic solutions of the school-girl puzzle

Cyclic Spectral Analysis of Radio Pulsars

Cyclic Universe and Infinite Past

Cyclic Variability of the Circumstellar Disc of the Be Star $ζ$ Tau. II. Testing the 2D Global Disc Oscillation Model

Cyclic variability of the circumstellar disk of the Be star zetaTau - I. Long-term monitoring observations

Cyclic variability of UX Ori Stars: UX Ori, SV Cep, and RZ Psc

Cyclic Variation in the Spatial Distribution of the Coronal Green Line Brightness

Cyclic Variation of RS CVn Binaries, AR Lac and V711 Tau

Cyclic variation of the high-energy solar neutrino flux

Cyclic variations in the differential rotation of the solar corona

Cyclic variations of heliogeomagnetic activity manifested in variations of the zonal pressure gradient in the troposphere

Cyclic Variations of Orbital Period and Long-Term Luminosity in Close Binary RT Andromedae