000 00411nam a2200145Ia 4500
001 12457
008 170722s9999 xx 000 0 und d
110 _aOpen University Course Team
245 _aElementary mathematics for science and technology :
_bLinear equations,complex numbers /
260 _bOpen University Press ,
_c1972.
500 _a4
653 _aMathematics
653 _aScience
942 _cGEN
999 _c95052
_d95052