000 00317nam a22001217a 4500
008 090620s1965 xxu||||| |||| 00| 0 spa d
082 _a516.6
_bW44
100 _97520
_aWelman B., Leighton
245 _aTechnical descriptive geometry
260 _aNovaro
_bMéxico D. F.
_c1965
300 _a628 p.
942 _2ddc
_cLIBR
999 _c19452
_d19452