000 00483nam a2200181 4500
001 35774/83
005 20130515014909.0
008 111112s9999 xx 000 0 und d
020 _a92-3-101190-1
082 0 0 _a507. une
100 1 _a"0, . "
_93953
245 1 0 _anew trend in intergrated science teaching vol.iii:
_b/
_c ..
250 _a1 ed.
260 _afrance :
_bunesco
_c1974.
300 _a"viii, 227p.;
_c27 cm."
504 _aincludes bibliography
942 _2lcc
_cBK
999 _c31839
_d31839