000 00300nam a2200121Ia 4500
008 211209s1990 xx 000 0 und d
041 _aeng
082 _a720 N90 IDE
100 _aIDECS PUB. INC.
245 _aARKITEX-2 ONTARIO PRACTICES
260 _aTORONTO
_bINDECS PUB. INC
_c1990
300 _a203
999 _c27733
_d27733