000			00378nam a2200133Ia 4500
008			211224s9999 xx 000 0 und d
020			_a9781402013454
082			_a520.14 HEC
245		0	_aAstronomy communication
260			_aBoston: _bKluwer Academic, _c2003
300			_aix, 226 p. : ill. (some col.) ; 25 cm
650			_aAstronomy - Study and teaching
700			_aHeck, A
999			_c23457 _d23457