000 00282nam a2200097Ia 4500
008 230508s2012 xx 000 0 und d
041 _aeng
100 _aCBS PROBLEMS & SOLUTIONS SERIE
245 _aPROBLEMS & SOLUTIION IN ELEMENTARY ENGG. DRAW
260 _bCBS PUBLISHERS & DIS
_c2012
999 _c710073
_d710073