TY  - BOOK
AU  - Avakian,Robert W.
TI  - Science Interactions: Course 4 
SN  - 0028275020
U1  - 500 23
PY  - 1996///
CY  - New York
PB  - McGraw-Hill/Glencoe
KW  - Science education
KW  - Experiments in science
KW  - Science activities
N1  - Includes bibliographical references and indexes
ER  -