TY  - BOOK
AU  - Aitchison,Jean .
AU  - Gilchrist,Alan  .
TI  - Thesaurus construction : a practical manual / 
SN  - 0851421970
U1  - 025.49 
PY  - 1987/// (rep. 1990)
CY  - London : 
PB  - ASLIB , 
KW  - THESAURUS (STRUCTURE AND DEVELOPMENT)
N1  - Includes bibliographical references and index
ER  -