TY  - BOOK
AU  - Brandwein,Paul Franz
TI  - Matter: its forms and changes,
T2  - Concepts in science
PY  - 1972///]
CY  - New York
PB  - Harcourt, Brace, Jovanovich
KW  - Matter
KW  - Properties
N1  - Grades 7-9
ER  -