THE CASE LOW-DISPERSION NORTHERN SKY SURVEY .1.

[21] Markaryan V. A, 1972, ASTROPHYSICS, V8, P89

[22] MCCOOK GP, 1977, CONTR VILLANOVA U OB

[23] NILSON P, 1973, ANN UPPSALA ASTR OBS, V6

[24] DISCOVERY AND SPECTROPHOTOMETRY OF THE QUASARS IN THE 40-DEGREES ZONE OF THE CTIO CURTIS SCHMIDT SURVEY [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1980, 42 (02) : 333 - +

[25] EVIDENCE FOR A DECREASE IN THE SPACE DENSITY OF QUASARS AT Z GREATER-THAN-OR-EQUAL-TO 3.5 [J]. ASTROPHYSICAL JOURNAL, 1982, 253 (01) : 28 - 37

[26] REIZ A, 1941, ANN OBS LUND

[27] SPECTRA OF 80 GALAXIES IN MARKARIANS SECOND LIST AND SPACE DENSITY OF MARKARIAN GALAXIES [J]. ASTROPHYSICAL JOURNAL, 1972, 173 (01) : 7 - &

[28] OPTICAL SPECTRA AND REDSHIFTS OF 31 RADIO GALAXIES [J]. ASTROPHYSICAL JOURNAL, 1965, 141 (01) : 1 - &

[29] EMISSION-LINE GALAXIES AND QUASARS IN SOUTHERN-HEMISPHERE .1. DESCRIPTION AND APPLICATIONS OF AN OBJECTIVE-PRISM SURVEY [J]. ASTROPHYSICAL JOURNAL, 1975, 202 (03) : 591 - +

[30] STEPHENSON CB, 1977, PUB WARNER SWASEY OB, V2, P73

[21] Markaryan V. A, 1972, ASTROPHYSICS, V8, P89

[22] MCCOOK GP, 1977, CONTR VILLANOVA U OB

[23] NILSON P, 1973, ANN UPPSALA ASTR OBS, V6

[24] DISCOVERY AND SPECTROPHOTOMETRY OF THE QUASARS IN THE 40-DEGREES ZONE OF THE CTIO CURTIS SCHMIDT SURVEY [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1980, 42 (02) : 333 - +

[25] EVIDENCE FOR A DECREASE IN THE SPACE DENSITY OF QUASARS AT Z GREATER-THAN-OR-EQUAL-TO 3.5 [J]. ASTROPHYSICAL JOURNAL, 1982, 253 (01) : 28 - 37

[26] REIZ A, 1941, ANN OBS LUND

[27] SPECTRA OF 80 GALAXIES IN MARKARIANS SECOND LIST AND SPACE DENSITY OF MARKARIAN GALAXIES [J]. ASTROPHYSICAL JOURNAL, 1972, 173 (01) : 7 - &

[28] OPTICAL SPECTRA AND REDSHIFTS OF 31 RADIO GALAXIES [J]. ASTROPHYSICAL JOURNAL, 1965, 141 (01) : 1 - &

[29] EMISSION-LINE GALAXIES AND QUASARS IN SOUTHERN-HEMISPHERE .1. DESCRIPTION AND APPLICATIONS OF AN OBJECTIVE-PRISM SURVEY [J]. ASTROPHYSICAL JOURNAL, 1975, 202 (03) : 591 - +

[30] STEPHENSON CB, 1977, PUB WARNER SWASEY OB, V2, P73