TY  - BOOK
AU  - Soergel, Dagobert.
TI  - Indexing languages and thesauri: : construction and maintenance
T2  - Information Sciences series
U1  - 029.5 
PY  - 1974///
CY  - Los Angeles
PB  - Melville
KW  - Indización
KW  - Tesauros
ER  -