000 00398nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aPerkins, R.H.
245 _aComputerized system for the engineering design of single-span standing skylines
260 _aLafayette
260 _c1969
300 _a19 p.
440 _aNo. 848; Purdue Agricultural E
901 _pS16881
942 _cB
_2udc
999 _c118558
_d118558