000 002950000a22001330004500
245 _aEngineering productivity
100 _aWalker, W.F.
260 _aLondon
_bCrosby Lockwood
300 _a2 v.
500 _a1963-66 (257 p.; 320 p.)
080 _a62.002
_bW3
041 _aEN
942 _cBK
999 _c93820
_d93820