Classification : class Z, Bibliography and library Science /
Library of Congress.
- 3rd. ed.
- [Washington, D.C.] : library of Congress, 1954.
- xi, 153 p. ; 28 cm.
Classification--Books--Highway engineering.
Classification--Books--Traffic engineering.
025.4 / LIC
Classification--Books--Highway engineering.
Classification--Books--Traffic engineering.
025.4 / LIC