TY  - BOOK
ED  - Library of Congress
TI  - Library of Congress subject headings [2v.]
SN  - 0844402990
U1  - 025.33 
PY  - 1980///
CY  - Washington
PB  - Library of Congress
KW  - Subject headings, Library of Congress
KW  - LCSH -- Library of Congress
N1  - Contents: V.2. Laser - Z
ER  -