1. Apostolakis , A. H. Mavromichalaki X. Moussas The event of August 1972 studied with cosmic rays at magnetic cut-off rigidity of 8.72 GV Collected Data Reports on August 1972 Solar-Terrestrial Events 454 Boulder, Colo. 1973
2. Armstrong , J. W. W. A. Coles J. K. Harmon S. Maagoe B. J. Rickett D. G. Sime Radio scintillation measurements of the solar wind following the flares of August 1972 Collected Data Reports on August 1972 Solar-Terrestrial Events 371 Boulder, Colo. 1973
3. Badillo , V. L. Pulses in radio bursts of August 1972 proton events Collected Data Reports on August 1972 Solar-Terrestrial Events 231 Boulder, Colo. 1973
4. Variable brightness of Comet Burnham (1959k) and auroral activity;Barber;Observatory,1960
5. Barnes , A. Microscale fluctuations in the solar wind, Solar Wind, NASA Spec. Publ. Sp-308 333 1972