000 00403nam a2200169 4500
001 28403/80
005 20130515015652.0
008 111112s9999 xx 000 0 und d
082 0 0 _a690. 22 det
100 1 _a"0, . "
245 1 0 _asafety in construction work roofing:
_b/
_c ..
250 _a2 ed.
260 _auk :
_bh.m.s.o.
_c1963.
300 _a", 14p.;
_c21 cm."
504 _a
650 0 _a
_x
999 _c53949
_d53949