TY  - BOOK
AU  - Knox, Warren 
AU  - Stone, George 
TI  - The Wonderworld of Science : Book. Seven
U1  - 507 
PY  - 1952///
PB  - California State Department of Education Sacramento 
KW  - Pure Science -- Study -- Teachings
KW  - Science -- Textbook
KW  - Science -- Natural  Resourceses
ER  -