overview of operation breakthrough : guide criteria / Edwa-rd O. Pfrang.
Pfrang, Edward O.
overview of operation breakthrough : guide criteria / Edwa-rd O. Pfrang. - Washington : National Bureau of Standards - [38] p. - Report; 10319 / National Bureau of Standards .
overview of operation breakthrough : guide criteria / Edwa-rd O. Pfrang. - Washington : National Bureau of Standards - [38] p. - Report; 10319 / National Bureau of Standards .