ORBIT OF HALLEYS-COMET AND APPARITION OF 1986

[1] BARNARD EE, 1909, ASTRON NACHR, V182, P286

[2] BARNARD EE, 1912, ASTRON J, V27, P150

[3] BOBROVNIKOFF NT, 1931, PUBL LICK OBS, V17, P334

[4] ORBIT OF HALLEYS COMET [J]. ASTRONOMICAL JOURNAL, 1967, 72 (03) : 365 - +

[5] CLEMENCE G, 1965, ANNUAL REV ASTR ASTR, V3, P101

[6] COWELL PH, 1908, MONTHLY NOTICES ROY, V68, P174

[7] LIESKE J, 1967, 321206 JET PROPP LAB

[8] MCMAHON FH, 1970, PRIVATE COMMUNICATIO

[9] MICHIELSEN HF, 1968, J SPACECR ROCKETS, V5

[10] PORTER JG, 1961, MEM BRIT ASTRON ASSO, V39

[1] BARNARD EE, 1909, ASTRON NACHR, V182, P286

[2] BARNARD EE, 1912, ASTRON J, V27, P150

[3] BOBROVNIKOFF NT, 1931, PUBL LICK OBS, V17, P334

[4] ORBIT OF HALLEYS COMET [J]. ASTRONOMICAL JOURNAL, 1967, 72 (03) : 365 - +

[5] CLEMENCE G, 1965, ANNUAL REV ASTR ASTR, V3, P101

[6] COWELL PH, 1908, MONTHLY NOTICES ROY, V68, P174

[7] LIESKE J, 1967, 321206 JET PROPP LAB

[8] MCMAHON FH, 1970, PRIVATE COMMUNICATIO

[9] MICHIELSEN HF, 1968, J SPACECR ROCKETS, V5

[10] PORTER JG, 1961, MEM BRIT ASTRON ASSO, V39