000 00309 a2200133 4500
080 _a6(072)
_bU 58 I
245 1 _aInternational aspects of technological innovation
260 _bUNESCO
_c1971
650 _aTechnological Innovation
700 _aUNESCO
100 _a
_d
300 _a89 p.
901 _a144201
999 _c75868
_d75868