000 00323nam a2200145Ia 4500
008 210804s1981||||xx |||||||||||||| ||und||
041 _aeng
082 _a828
_bJOS/MO
100 _aJoseph T T
245 0 _aModern trends in science education
250 _a4
260 _aNil
_bAuthor
_c1981
300 _a285
942 _cBK
999 _c8042
_d8042