TY  - BOOK
AU  - SUMMERS,Della
TI  - Longman language activator: the world's first production dictionary 
SN  - 0582040930 (pbk)
PY  - 1996///
CY  - Harlow, England
PB  - Longman
KW  - English language
KW  - Dictionaries
N1  - 1st published in 1993
ER  -