TY  - BOOK
AU  - Schwegler, Robert A.
TI  - Patterns in action
SN  - 067339767X
U1  - DC 808.0427 
PY  - 1988///
CY  - Glenview, Illinois
PB  - Scott, Foresman and Company
KW  - Literature.
N1  - Includes index
ER  -