TY  - BOOK
ED  - Library of Congress
ED  - Library of Congress.
TI  - Library of Congress classification: class Q 
SN  - 0844409286
PY  - 1996///
CY  - Washington, D.C.
PB  - Library of Congress, Cataloging Distribution Service, For sale by the Service
KW  - Classification, Library of congress
KW  - Classification
KW  - Books
KW  - Science
N1  - Index
ER  -