000 00382nam a2200157Ia 4500
082 _a658.57
_bM287.IR
100 _aMansfield, Eiwin
245 _aIndustrial research and technological innovation; an econometric analysis
_b
260 _aLondon
_bLongman
_c1968
300 _axviii, 235p.
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a10755
999 _c10755
_d10755