000			00367nam a2200145 4500
003			OSt
008			220602b |||||||| |||| 00| 0 eng d
082			_a520 _bVAN
245			_aVancouver Declaration
260			_aUnesco : _bCandian, _c1989.
300			_a321p.; _c21cm
650		0	_aD.A. Perera Collection
650		0	_aAstronomy and allied sciences
942			_2ddc _cSR
999			_c96129 _d96129