TY  - BOOK
AU  - Abruscato, Joseph 
TI  - Holt science
SN  - 003011392X
AV  - Q161.2  .H65 1989
PY  - 1989///
CY  - Austin, Tex. : 
PB  - Holt, Rinehart and Winston
KW  - Science -- Study and teaching (Elementary)
ER  -