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- [3] THE GENERAL CATALOG OF POSITIONS AND PROPER MOTIONS OF 4949 GEODESICAL STARS FROM +90-DEGREES TO -90-DEGREES [J]. ASTRONOMICHESKII ZHURNAL, 1985, 62 (03): : 605 - 607
- [10] A SYNTHESIS PROCEDURE FOR 90-DEGREES FAN FILTERS [J]. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS, 1983, 30 (12): : 858 - 864