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	1.		Astronomy one / by Allen Hynek and Necia . H. Apfel by Hynek, Joseph Allen, 1910- Apfel, Necia H Material type: Text Publication details: Menlo Park: Calif. W. A. Benjamin, 1972 Availability: Items available for loan: Main Library - Open Shelves (2). Place hold Save to lists Add to cart (remove)
	2.		Observational information on artificial earth satellites / edited by J. A. Hynek and G. F. Schilling. by Hynek, Joseph Allen, 1910- Schilling, G. F., [from old catalog] Smithsonian Institution. Astrophysical Observatory IGY World Data Center A [for] Rockets and Satellites. Astrophysical Observatory Series: IGY satellite report series ; no. 4. Material type: Text Publication details: Washington : National Academy of Sciences, National Research Cou ncil , 1958 Availability: Items available for loan: Main Library - Africana (1). Place hold Save to lists Add to cart (remove)
	3.		Observational information on artificial earth satellites / edited by J. A. Hynek and G. F. Schilling. by Hynek, Joseph Allen, 1910- Schilling, G. F., [from old catalog] Smithsonian Institution. Astrophysical Observatory IGY World Data Center A [for] Rockets and Satellites. Astrophysical Observatory Series: IGY satellite report series ; no. 4. Material type: Text Publication details: Washington : National Academy of Sciences, National Research Cou ncil , 1958 Availability: No items available. Save to lists Add to cart (remove)
	4.		Observational information on artificial earth satellites / edited by J. A. Hynek and G. F. Schilling. by Hynek, Joseph Allen, 1910- Schilling, G. F., [from old catalog] Smithsonian Institution. Astrophysical Observatory IGY World Data Center A [for] Rockets and Satellites Series: IGY satellite report series ; no. 4. Material type: Text Publication details: Washington : National Academy of Sciences, National Research Cou ncil , 1958 Availability: No items available. Save to lists Add to cart (remove)
	5.		Observational information on artificial earth satellites / edited by J. A. Hynek and G. F. Schilling. by Hynek, Joseph Allen, 1910- Schilling, G. F., [from old catalog] Smithsonian Institution. Astrophysical Observatory IGY World Data Center A [for] Rockets and Satellites Series: IGY satellite report series ; no. 4. Material type: Text Publication details: Washington : National Academy of Sciences, National Research Cou ncil , 1958 Availability: No items available. Save to lists Add to cart (remove)