TY  - BOOK
AU  - Ruhlen,Merritt
TI  - A guide to the world's languages
SN  - 0340561866
PY  - 1991///
CY  - London
PB  - Edward Arnold
KW  - Language and languages
KW  - Classification
N1  - 'With a postscript on recent developments'--v. 1; v. 1. classification
ER  -