000			00370nam a2200145Ia 4500
008			160615s9999 xx 000 0 und d
100			_aPHILLIPS(John G) et al Eds
245			_aAnnual review of astronomy and astrophysics. Vol-20
260			_bAnnual Reviews Inc.
260			_c1982
300			_a631 p.
942			_cBooks
999			_c13939 _d13939