TY  - BOOK
AU  - Loetscher, Hugo.
AU  - Evans, Tamara S.
TI  - How many languages does man need
SN  - 07338953
U1  - 400 LOE 
PY  - 1982///
CY  - New York
PB  - The graduate school and university center, City university of New York
KW  -  Language and languages
KW  - Multilingualism
KW  - Switzerland
N1  - Includes bibliographical references
ER  -