共 5 条
- [1] BARNARD EE, 1927, PHOTOGRAPHIC ATLAS S
- [2] A PRELIMINARY SURVEY OF 1420 MC/S LINE EMISSION FROM GALACTIC HYDROGEN [J]. AUSTRALIAN JOURNAL OF SCIENTIFIC RESEARCH SERIES A-PHYSICAL SCIENCES, 1952, 5 (03): : 437 - 455
- [3] HEESCHEN DS, 1954, JUN ANN ARB M AM AST
- [4] LILLEY AE, 1954, JUN ANN ARB M AM AST
- [5] VANDEHULST HC, 1954, BAN, V12, P130