Reports.


Autoria(s): United States. Patent Office. Office of Research and Development.
Data(s)

31/12/1969

Resumo

Mode of access: Internet.

Formato

bib

bib

bib

bib

bib

Identificador

http://hdl.handle.net/2027/coo.31924003434572

http://hdl.handle.net/2027/umn.31951d005606719

http://hdl.handle.net/2027/umn.31951d02426366z

http://hdl.handle.net/2027/umn.31951d024263651

http://hdl.handle.net/2027/uiug.30112060200646

Idioma(s)

eng

Publicador

[Washington, For sale by the syperintendent of Documents, U. S. Govt. Print. Off.]

Direitos

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Palavras-Chave #Information storage and retrieval systems
Tipo

text