000 003360000a22001210004500
008 140223b1990 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:UNESCO
245 _aMANUAL FOR SURVEYING NATIONAL SCIENTIFIC AND TECHNOLOGICAL POTENTIAL EDN 2ND REV.
260 _aPARIS
_bUNESCO
_c1990
650 _a
_a
906 _a:UNESCO
999 _c144742
_d144742