000 00439nam a2200157 4500
001 5666/90
005 20130515014503.0
008 111112s9999 xx 000 0 und d
020 _a1 850 32 020 9
100 1 _a"becker, robert e. "
_913766
245 1 0 _aa practical guide to rafter calculations:
_b/
_c robert.e. becker
250 _a1 ed.
260 _auk :
_bthomson business
_c1986.
300 _a", 111p.;
_c21 cm."
942 _2lcc
_cBK
999 _c20866
_d20866