@article{shapoval:insu-03581114, TITLE = {{Can irregularities of solar proxies help understand quasi-biennial solar variations?}}, AUTHOR = {Shapoval, A. and Le Mou{\"e}l, J. L. and Shnirman, M. and Courtillot, V.}, URL = {https://insu.hal.science/insu-03581114}, JOURNAL = {{Nonlinear Processes in Geophysics}}, PUBLISHER = {{European Geosciences Union (EGU)}}, VOLUME = {21}, PAGES = {797-813}, YEAR = {2014}, DOI = {10.5194/npg-21-797-2014}, PDF = {https://insu.hal.science/insu-03581114/file/npg-21-797-2014.pdf}, HAL_ID = {insu-03581114}, HAL_VERSION = {v1}, }