DISTANCES AND DISTRIBUTION OF PLANETARY NEBULAE

[1] PROPERTIES OF SOME OLD PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1966, 144 (01) : 259 - &

[2] WHOLE-SKY STATISTICS OF CELESTIAL OBJECTS [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1954, 114 (04) : 387 - 405

[3] ALLER LH, 1964, GALAXY MAGELLANIC CL, P45

[4] ALLER LH, 1968, NEBULAE INTERSTELLAR, P483

[5] ALLER LH, 1969, SKY TEL, V38, P84

[6] ALLER LH, 1965, LANDOLTBORNSTEIN TAB

[7] APRIAMASVILI SP, 1962, 231 ASTR CIRC, P25

[8] A HIGH-LATITUDE PLANETARY NEBULA [J]. ASTROPHYSICAL JOURNAL, 1967, 150 (2P1) : 707 - &

[9] ARP HC, 1965, GALACTIC STRUCT, P401

[10] BAADE W, 1935, PUB ASP, V47, P99

[1] PROPERTIES OF SOME OLD PLANETARY NEBULAE [J]. ASTROPHYSICAL JOURNAL, 1966, 144 (01) : 259 - &

[2] WHOLE-SKY STATISTICS OF CELESTIAL OBJECTS [J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1954, 114 (04) : 387 - 405

[3] ALLER LH, 1964, GALAXY MAGELLANIC CL, P45

[4] ALLER LH, 1968, NEBULAE INTERSTELLAR, P483

[5] ALLER LH, 1969, SKY TEL, V38, P84

[6] ALLER LH, 1965, LANDOLTBORNSTEIN TAB

[7] APRIAMASVILI SP, 1962, 231 ASTR CIRC, P25

[8] A HIGH-LATITUDE PLANETARY NEBULA [J]. ASTROPHYSICAL JOURNAL, 1967, 150 (2P1) : 707 - &

[9] ARP HC, 1965, GALACTIC STRUCT, P401

[10] BAADE W, 1935, PUB ASP, V47, P99