904 resultados para economics of research and experimental development
Resumo:
"PN-AAJ-178"--Cover.
Resumo:
Transportation Department, Washington, D.C.
Resumo:
Urban Mass Transportation Administration, Washington, D.C.
Resumo:
Mode of access: Internet.
Resumo:
Publication date stamped on cover.
Resumo:
"RDB 114/34."
Resumo:
"June 1, 1979."
Resumo:
"B-133220."