TY  - GEN
AU  - Hewitt,Paul G.
TI  - Conceptual physics: a new introduction to your environment 
AV  - QC23 .H56 1977
U1  - 530 
PY  - 1977///
CY  - Boston
PB  - Little, Brown
KW  - Physics
N1  - Include index; Includes bibliographical references and index
ER  -