000			00293nam a2200133Ia 4500
008			190905s2019 xx 000 0 und d
020			_a9389108667
082			_a501/TAK
100			_aTakade K.C
245			_aMaxima Software
250			_a1th
260			_bNirali pub _c2019
300			_a128
999			_c206935 _d206935