TY  - BOOK
AU  - Stepanov, V. Ye
TI  - On the structures of magnetic fields in the active region of the sun [NASA TT F-144]
PY  - 1962///
CY  - Washington, D. C.
PB  - National Aeronautics and Space Administration
KW  - Active region
N1  - Bound vol. contains NASA TT F 124-145
ER  -