QUASI-STELLAR OBJECTS AND GRAVITATIONAL LENSES

[1] [Anonymous], PHYS REV B

[2] GALAXIES AS GRAVITATIONAL LENSES [J]. SCIENCE, 1968, 162 (3851) : 348 - &

[3] QUASARS BEHIND CLUSTERS OF GALAXIES [J]. NATURE, 1970, 226 (5243) : 335 - &

[4] BARNOTHY JM, 1968, ASTROPHYS LETT COMM, V2, P21

[5] BARNOTHY JM, 1968, SOV ASTRON, V11, P895

[6] OORT JH, 1958, STRUCTURE EVOLUTION

[7] PROCEEDINGS OF CONFERENCE ON SEYFERT GALAXIES AND RELATED OBJECTS HELD AT STEWARD OBSERVATORY UNIVERSITY OF ARIZONA 14-16 FEBRUARY 1968 [J]. ASTRONOMICAL JOURNAL, 1968, 73 (09) : 836 - +

[8] REFSDAL S, 1964, MON NOT R ASTRON SOC, V128, P295, DOI 10.1093/mnras/128.4.295

[9] SILVA LNK, 1970, THESIS U SUSSEX

[10] VAUCOULEURS GD, 1968, ASTRON J, V73, P858

[1] [Anonymous], PHYS REV B

[2] GALAXIES AS GRAVITATIONAL LENSES [J]. SCIENCE, 1968, 162 (3851) : 348 - &

[3] QUASARS BEHIND CLUSTERS OF GALAXIES [J]. NATURE, 1970, 226 (5243) : 335 - &

[4] BARNOTHY JM, 1968, ASTROPHYS LETT COMM, V2, P21

[5] BARNOTHY JM, 1968, SOV ASTRON, V11, P895

[6] OORT JH, 1958, STRUCTURE EVOLUTION

[7] PROCEEDINGS OF CONFERENCE ON SEYFERT GALAXIES AND RELATED OBJECTS HELD AT STEWARD OBSERVATORY UNIVERSITY OF ARIZONA 14-16 FEBRUARY 1968 [J]. ASTRONOMICAL JOURNAL, 1968, 73 (09) : 836 - +

[8] REFSDAL S, 1964, MON NOT R ASTRON SOC, V128, P295, DOI 10.1093/mnras/128.4.295

[9] SILVA LNK, 1970, THESIS U SUSSEX

[10] VAUCOULEURS GD, 1968, ASTRON J, V73, P858