000 00841cam a2200277 4500
001 3626149
005 20210215132857.0
008 740129s1973 fr ab j 001 0 eng
010 _a 74150700
015 _aF***
020 _a9231010581
040 _aDLC
_cBSU
_dDLC
050 0 0 _aQ181
_b.U475 1973
082 0 0 _a500UNE
_221
110 2 _aUnesco.
_94763
245 1 0 _aNew Unesco source book for science teaching.
260 _aParis,
_bUnesco,
_c1973.
300 _a270 p.
_billus., fold. col. map.
_c23 cm.
650 0 _aScience
_xStudy and teaching.
_915367
650 0 _aScience
_xExperiments
_xJuvenile literature.
_915800
658 _aEducation.
740 _aUnesco source book for science teaching.
740 _aSource book for science teaching.
906 _a7
_bcbc
_corignew
_d4
_encip
_f19
_gy-gencatlg
942 _2ddc
_cBK
999 _c7481
_d7481