TY  - BOOK
AU  -  Mason, James A.
TI  -  Learning APL: an array processing language 
SN  -  0060442433 (pbk.)
U1  -  001.64 MAS 
PY  - 1986///
CY  -  New York
PB  -  Harper & Row
KW  -  APL (Computer program language)
N1  -  Includes index;  Bibliography: p. 251
ER  -