000 00906nam a2200217Ia 4500
003 IN-BaIIA
008 211028s9999 xx 000 0 eng d
040 _cIIA Library
080 _a523.64(082.2)
_bDON
111 _aInternational Astronomical Union Colloquium
_n25th
_cMaryland
_d1974 Oct. 28-Nov. 1
_912883
245 4 _aThe study of comets
_bpt. 2, proceedings of the International Astronomical Union Colloquium No.25, Co-sponsored by COSPAR and held at Goddard Space Flight Center, Green Belt, Maryland, October 28-November 1, 1974
_cedited by B. Donn
260 _aWashington
_bNational Aeronautics and Space Administration
_c1976
300 _a537-1083p.
490 _aNASA SP-393; no. 25
500 _aDonated by Mrs. Bappu
650 _aAstronomy and Astrophysics Thesaurus
650 _aComets
_9755
700 _aDonn, B., ed.
710 _aInternational Astronomical Union
942 _cBK
999 _c7613
_d7613