000 00524nam a2200157Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
020 _a582-50007-9
040 _aNITIL
_cNITIL
082 _221st
_a607.2
_bM287I
100 _aMansfield, Edwin
245 0 _aIndustrial research and technological innovation
_ban econometric analysis
_cEdwin Mansfield
260 _aLondon
_bLongmans, Green
_c1969
300 _axviii, 235p.
650 _aResearch, Industrial; Technological innovation; Diffusion of innovations
942 _cBKS
999 _c23434
_d23434