000 00299nam a22000857a 4500
008 240523s1969 us ||||| |||| 00| 0 eng d
245 _aScience year :
_bthe World book science annual : 1969.
264 _aChicago :
_bField Enterprises Educational Corp.,
_c1969.
653 _aმეცნიერება
999 _c754304
_d754302