共 20 条
[2]
Barreto GR, 1997, SCIENCE, V276, P882
[4]
*DEP TRAD IND, 1997, UK R D SCOR 1997
[5]
*EUR COMM PUBL EUR, 1998, 2 ST EUR
[6]
Grant J, 1997, SCIENCE, V278, P878
[7]
GRANT J, 1997, SCIENCE, V278, P879
[8]
Herskovic S, 1997, SCIENCE, V276, P884
[9]
Martin B., 1996, The relationship between publicly funded basic research and economic performance