000 00403nam a2200145Ia 4500
008 250428s9999 xx 000 0 und d
082 _aF 574 D44tm 1977
245 0 _aHigh school science 1 exploring our environment : Teacher's manual.
250 _a1st ed.
260 _bMinistry of Education and Culture.
260 _c1977
526 _a500 Natural Sciences & Math
942 _2DDC
942 _cB
999 _c23357
_d23357