List of subject headings supplement II
List of subject headings supplement II
/Library of congress science and technology project, Issued for the office of Naval Research under contract Naonr 13-47
- Washington: Library of congress, 1949
- 127p.
Technology project
Subject headings Library supplement
D 025.343 / H9-2
Technology project
Subject headings Library supplement
D 025.343 / H9-2