TY  - BOOK
AU  - McIntosh, Patrick S., ed.  Dryer, Murray, ed. 
TI  - Solar activity observations and predictions
T2  - Progress in Astronautics and Aeronautics
SN  - 0-262-13086-6
PY  - 1972///
CY  - Cambridge
PB  - Massachusetts Institute of Technology
KW  - Solar Activity
ER  -