1 1969AZ.....45..712A Artyukh et al. 2 1968MNRAS.138...51B Bailey and Pooley 3 1973MNRAS.165..259B Baldwin and Scott 4 1962MmRAS..68..163B Bennett 5 1978MNRAS.184..387B Birkinshaw 6 1979AuJPS..46....1B Bolton et al. 7 1965.NuCim.40..267B Braccesi et al., Nuevo Cimento 40, 267 8 1978Ap&SS..54...37B Braude et al. 9 1968AJ.....73..717B Bridle and Purton 10 1972AJ.....77..405B Bridle et al. 11 1978AJ.....83..704B Bridle and Fomalont 12 1971AJ.....76..777B Brundage et al. 13 1966Thesi........1C Caswell 14 1970A&AS....1..281C Colla et al. 15 1972A&AS....7....1C Colla et al. 16 1973A&AS...11..291C Colla et al. 17 1975A&AS...20....1C Colla et al. 18 1966Thesi........1C Crowther 19 1973AuJPS..28....1D Davies et al. 20 1967BAN....19..201D Davis 21 1966AuJPh..19...35D Day et al. 22 1967AJ.....72..757D Dickel et al. 23 1968AJ.....73..381D Dixon and Kraus 24 1970AJ.....75..351E Ehman et al. 25 1974AJ.....79..144E Ehman et al. 26 1969AuJPS...7....1E Ekers 27 1978ApJ...222..761E Erickson et al. 28 1977A&AS...29..279F Fanti et al. 29 1978A&AS...34..341F Fanti et al. 30 1969AJ.....74..612F Fitch et al. 31 1966ApJ...146..528F Fomalont and Rogstad 32 1961Thesi........1F Foster 33 1968AJ.....73..135G Galt and Kennedy 34 1975AuJPA..35....1G Gardner et al. 35 1976AJ.....81.1084G Genzel et al. 36 1973AJ.....78..848G Ghigo and Owen 37 1967MmRAS..71...49G Gower et al. 38 1977A&A....60...27H Harris et al. 39 1978A&AS...34..117H Harris and Miley 40 1960PASP...72..237H Harris and Roberts 41 1978A&AS...31...99H Haslam et al. 42 1974A&A....34..341H Hogbom and Carlsson 43 1967ApJS...15...61H Hoglund 44 1974A&A....31..223J Jaffe and Perola 45 1975A&AS...21..137J Jaffe and Perola 46 1968AJ.....73..298K Kellermann et al. 47 1973AJ.....78..828K Kellermann et al. 48 1966MNRAS.134..371L Long et al. 49 1968MNRAS.138..259M Macdonald et al. 50 1972AcA....22..227M Maslowski 51 1978MNRAS.185..927M McHardy 52 1977AcC.....4...19M Michalec 53 1977A&A....61L..23M Miley and Harris 54 1958AuJPh..11..360M Mills et al. 55 1960AuJPh..13..676M Mills et al. 56 1977AuJPh..30..509M Mills and Hoskins 57 1979PPrin........1M Mills et al. 58 1971AuJPh..24..263M Munro 59 1971AuJPh..24..617M Munro 60 1974AJ.....79..427O Owen 61 1974ApJ...189L..55O Owen 62 1975AJ.....80..263O Owen 63 1976AJ.....81..571O Owen 64 1976ApJ...205L...1O Owen and Rudnick 65 1977AJ.....82..677O Owen el al. 66 1966ApJS...13...65P Pauliny-Toth et al. 67 1968AJ.....73..953P Pauliny-Toth and Kellermann 68 1972AJ.....77..797P Pauliny-Toth et al. 69 1978AJ.....83..451P Pauliny-Toth et al. 70 1965MmRAS..69..183P Pilkington and Scott 71 1977A&A....54..297P Preuss et al. 72 1974MmRAS..78....1R Readhead and Hewish 73 1975MNRAS.170...53R Riley 74 1969AJ.....74..366R Roger et al. 75 1976A&A....50..165R Roland et al. 76 1976ApJ...203L.107R Rudnick and Owen 77 1977AJ.....82....1R Rudnick and Owen 78 1977AuJPA..44....1S Savage et al. 79 1975MmRAS..79....1S Schilizzi and McAdam 80 1978AJ.....83..157S Seielstad and Ewing 81 1975AJ.....80..335S Sharp and Bash 82 1966AuJPh..19..837S Shimmins et al. 83 1969AuJPA...8....1S Shimmins et al. 84 1975AuJPA..34...63S Shimmins et al. 85 1973AuJPA..27....1S Slee and Higgins 86 1975AuJPA..36....1S Slee and Higgins 87 1977AuJPA..43....1S Slee 88 1974MNRAS.166..101S Slingo 89 1974MNRAS.168..307S Slingo 90 1971AJ.....76..970S Stull 91 1974AuJPS..33....1S Sutton et al. 92 1978A&A....63...29V Valentijn and Perola 93 1976Natur.259..451V Vallee and Wilson 94 1975AJ.....80..931V Viner and Erickson 95 1979A&AS...36..237W Waldthausen et al. 96 1971AuJPS..19....1W Wall et al. 97 1974PASP...86..223W Webber 98 1970AJ.....75..148W Wendker et al. 99 1972MNRAS.160..305W Wilkinson 100 1966MmRAS..70...53W Williams et al. 101 1979A&AS...37..397W Willis and Miley 102 1975AuJPS..38....1W Wills 103 1977A&A....58...79W Wilson and Vallee 104 1969MNRAS.146..265W Windram and Kenderdine 139 1980A&AS...39..215H Harris et al.