000 002950000a22001210004500
008 140223b1992 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:UNESCO
245 _aNEW TRENDS IN CHEMISTRY TEACHING,VOL-VI
260 _aPARIS
_bUNESCO
_c1992
650 _a
_a
906 _a:UNESCO
999 _c126555
_d126555