TY  - GEN
ED  - Library of Congress.
TI  - Cataloguing service
U1  - 025.32 21
PY  - 1973///, 1974
CY  - Washington D.C.
PB  - [s.n.]
KW  - CATALOGACION DE LIBROS
N1  - Bulletin 106-111, may 1973, vobember 1974
ER  -