00559oam 2200169z- 450 9910714536803321(CKB)3790000000051553(EXLCZ)99379000000005155320231017c2015uuuu -u- -engNational Science Foundation: Background and Selected Policy Issues (R43585) [2015]Washington, D.CNational Science FoundationBOOK9910714536803321National Science Foundation: Background and Selected Policy Issues (R43585)3328828UNINA