TY  - BOOK
AU  - Frank,Marjorie Slavick
AU  - Jones,Robert M.
AU  - Krockover,Gerald H.
AU  - Lang,Mozell P.
AU  - McLeod,Joyce C.
AU  - Valenta,Carol J.
AU  - Deman,Barry A Van
TI  - Harcourt Science : Unit F, Exploring Energy and Forces / 
SN  - 0-15-315691-0
PY  - 0000///w.d
CY  - Orlando
PB  - Harcourt School Publishers, 
KW  - Physical sciences
KW  - Study and teaching (Elementary)
KW  - Science
KW  - Force and energy
ER  -