TY  - BOOK
AU  - Pollard,William G.
TI  - The mystery of matter
T2  - A World of the atom series booklet
U1  - 530.4 
PY  - 1970///
CY  - Oak Ridge, Tenn.
PB  - U.S. Atomic Energy Commission, Division of Technical Information
KW  - MATERIA
ER  -