000 00297nam a2200109Ia 4500
008 231107s1989 xx 000 0 und d
041 _aeng
082 _a723.5
100 _aWalker Frank R.
245 _aWalker''s Building estamator Reference book
260 _aAmerica
_bFrances Lincoln Ltd.
_c1989
999 _c921932
_d921932