TY  - BOOK
AU  - Stoffregen, W., ed.
TI  - IGY ascaplots : half-hourly auroral all-sky camera plots from 115 stations for the period 1958-1959
T2  - Annals of the International Geophysical Year; v. 20, part 1
SN  - 1483226409
PY  - 1963///
CY  - Oxford
PB  - Pergamon Press
KW  - International Geophysical Year
ER  -