000
00238nam a2200109Ia 4500
008
220201s1982 xx 000 0 eng d
100
_a
Gill, PS
245
0
_a
Graphic Statics
260
_b
Katson Pub
_c
1982
300
_a
116
942
_2
ddc
999
_c
82164
_d
82164