TY  - BOOK
AU  - Letfus, Vojtech
AU  - Sykora, Julius
TI  - Atlas of the green corona synoptic charts for the period 1947-1976
PY  - 1982///
CY  - Bratislava
PB  - Astronomical Institute of the Slovak Academy of Sciences
KW  - Astronomy and Astrophysics Thesaurus
KW  - Atlas
KW  - Green corona
KW  - Solar corona atlas
KW  - Synoptic charts
ER  -