000 00319nas a22001217a 4500
003 USJPLib
008 171121b xxu||||| |||| 00| 0 eng d
022 _a00487333
041 _aEng.
245 _aResearch Policy, Vol. 38, No. 1-5
260 _aAmsterdam
_bElsevier Science Publishers B.V.
_c2009
942 _2ddc
_cBP
_s1
999 _c145458
_d145458