000 003080000a22001330004500
245 _aDesign of machine elements
100 _aSpotts, M.F.
250 _a4th ed.
260 _aEnglewood Cliffs
_bPrentice Hall
_c1971
300 _axv, 620p. : ill.
080 _a621-1
_bS7
041 _aEN
942 _cBK
999 _c93817
_d93817