共 21 条
- [1] INFRARED OBSERVATIONS OF 2 SYMMETRIC NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1973, 185 (01) : L37 - L40
- [5] FROGEL JA, IN PRESS
- [6] FROGEL JA, 1973, B AAS, V5, P408
- [7] GEORGELIN YP, 1970, ASTRON ASTROPHYS, V6, P349
- [9] HARVEY PM, 1973, M ASTRONOMICAL SOC P
- [10] KAMIJO F, 1973, ASTRON ASTROPHYS, V25, P371