?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Thomas&rft.au=Thomas%2C+SR&rft.aufirst=SR&rft.volume=289&rft.issue=1&rft.atitle=The+22-Year+Hale+Cycle+in+Cosmic+Ray+Flux+%E2%80%93+Evidence+for+Direct+Heliospheric+Modulation&rft.date=January+2014&rft.pages=407+-+421&rft.issn=0038-0938&rft.title=Solar+Physics&rft.genre=article