000			00350nam a2200157Ia 4500
008			200208s9999 xx 000 0 und d
082			_aGL H 520
100			_a"Volkov, A"
245		0	_aDharti aur aakash
260			_aMoscow
260			_bVideshi Bhasha Prakshan Graha
260			_c0
300			_a240p.
650			_aAstronomy
942			_cB
999			_c209169 _d209169