Электронный каталог

Периодическое издание

Journal of Research of the National Bureau of Standards. Sect. B : Mathematical Science. – Washington : Department of Commerce, U.S., 1959-1970. – ISSN 0022-4332.
Выпуск

Journal of Research of the National Bureau of Standards. – 1963. – Vol. 67B, No. 2. – ISSN 0022-4332.