THE AGES AND DIMENSIONS OF TRAPEZIUM SYSTEMS

[31] Sandage A., 1958, STELLAR POPULATIONS, P41

[32] THE SPECTRA AND ROTATIONAL VELOCITIES OF THE BRIGHT STARS OF DRAPER TYPES A3-GO [J]. ASTROPHYSICAL JOURNAL, 1955, 121 (03) : 653 - &

[33] EVOLUTION OF 0.7-3.0 MO STARS HAVING -1.0 LESS-THAN-OR-EQUAL-TO [FE-H] LESS-THAN-OR-EQUAL-TO 0.0 [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1985, 58 (04) : 711 - &

[34] AGES OF HYADES, PRAESEPE, AND COMA STAR CLUSTERS [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1969, 81 (483) : 815 - +

[35] WORLEY CE, 1967, ROY OBS BELGIUM CO B, V17, P221

[31] Sandage A., 1958, STELLAR POPULATIONS, P41

[32] THE SPECTRA AND ROTATIONAL VELOCITIES OF THE BRIGHT STARS OF DRAPER TYPES A3-GO [J]. ASTROPHYSICAL JOURNAL, 1955, 121 (03) : 653 - &

[33] EVOLUTION OF 0.7-3.0 MO STARS HAVING -1.0 LESS-THAN-OR-EQUAL-TO [FE-H] LESS-THAN-OR-EQUAL-TO 0.0 [J]. ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1985, 58 (04) : 711 - &

[34] AGES OF HYADES, PRAESEPE, AND COMA STAR CLUSTERS [J]. PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC, 1969, 81 (483) : 815 - +

[35] WORLEY CE, 1967, ROY OBS BELGIUM CO B, V17, P221