000 00316nam a2200133Ia 4500
001 12218
008 170722s9999 xx 000 0 und d
100 _aThorburn, V.
245 _aGI mathematics /
260 _c1968.
490 _aBasic technical noterbooks^Ethel Venables
653 _aMathematics
942 _cGEN
999 _c73397
_d73397