000 00271pas a2200097 454500
008 160820b1972 xxu||||| |||| 00| 0 eng d
022 _a0048-7333
245 _aRESEARCH POLICY
260 _aAMSTERDAM
_bELSEVIER SCIENCE BV
_c1972
906 _a37(1), 2008+
_b
_c
_dJan - Dec,2008
999 _c475447
_d475447