TY  - BOOK
AU  - Aldridge, Bill.
TI  - Science interactions: course 1 
SN  - 0028260333
U1  - 500 SCI 23
PY  - 1993/// [1994]
CY  - New York
PB  - Macmillan
KW  - Science -- Study and teaching (Elementary)
KW  - Science -- Study and teaching (Secondary)
N1  - Includes index
ER  -