TY  - BOOK
AU  - Pennock,Clifford
TI  - Reading comprehension at four linguistic levels
SN  - 0872074870
AV  - LB1050.45 .R42
U1  - 428.43 PEN 
PY  - 1979///
CY  - Newark, Del.
PB  - International Reading Association
KW  - Reading comprehension
N1  - Includes bibliographies
ER  -