EVOLUTION OF PROTOPLANETARY NEBULAE

[1] ACKER A, 1982, PUBL SPEC CDS, V3

[2] CO OBSERVATIONS OF SOURCES FROM IRAS CIRCULAR-9 [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1986, 220 (01) : 125 - 131

[3] BEDIJN PJ, 1987, ASTRON ASTROPHYS, V186, P136

[4] BEDIJN PJ, 1986, LIGHT DARK MATTER, P119

[5] BIDELMAN WP, 1986, COMMUNICATION

[6] LIGHT VARIATIONS OF THE POPULATION-II F-TYPE SUPERGIANT HD-46703 [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1984, 96 (576) : 176 - 178

[7] Burki G., 1980, Astronomy & Astrophysics Supplement Series, V42, P383

[8] THE TRANSITION FROM OXYGEN-RICH TO CARBON STARS [J]. ASTROPHYSICAL JOURNAL, 1988, 334 (01) : 362 - 396

[9] OH-EMISSION FROM EARLY-TYPE EMISSION-LINE STARS WITH LARGE INFRARED EXCESSES [J]. ASTROPHYSICAL JOURNAL, 1979, 230 (02) : 434 - 441

[10] FOREST WJ, 1972, AP J, V178, pL29

[1] ACKER A, 1982, PUBL SPEC CDS, V3

[2] CO OBSERVATIONS OF SOURCES FROM IRAS CIRCULAR-9 [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1986, 220 (01) : 125 - 131

[3] BEDIJN PJ, 1987, ASTRON ASTROPHYS, V186, P136

[4] BEDIJN PJ, 1986, LIGHT DARK MATTER, P119

[5] BIDELMAN WP, 1986, COMMUNICATION

[6] LIGHT VARIATIONS OF THE POPULATION-II F-TYPE SUPERGIANT HD-46703 [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1984, 96 (576) : 176 - 178

[7] Burki G., 1980, Astronomy & Astrophysics Supplement Series, V42, P383

[8] THE TRANSITION FROM OXYGEN-RICH TO CARBON STARS [J]. ASTROPHYSICAL JOURNAL, 1988, 334 (01) : 362 - 396

[9] OH-EMISSION FROM EARLY-TYPE EMISSION-LINE STARS WITH LARGE INFRARED EXCESSES [J]. ASTROPHYSICAL JOURNAL, 1979, 230 (02) : 434 - 441

[10] FOREST WJ, 1972, AP J, V178, pL29