000 00288nam a2200121Ia 4500
008 211209s1980 xx 000 0 und d
041 _aeng
082 _a510.33 N80 VAS/GUT
100 _aVASILYER
245 _aSTRAIGHT LINES AND CURVES
260 _bMIR PUBLISHERS
_c1980
300 _a194
999 _c19736
_d19736