TY  - BOOK
AU  - Immroth,John Phillip
TI  - A guide to the Library of Congress classification
T2  - Library science text series
SN  - 0872870391
U1  - 025.4602 
PY  - 1971///
CY  - Littleton, Col.
PB  - Libraries Unlimited, 
KW  - CLASIFICACION
KW  - BIBLIOGRAFIAS
KW  - LIBROS
N1  - Incluye índice: p. 333-335
UR  - https://www.cicy.mx/sitios/sib/doctoelectronico/1113.pdf
ER  -