TY  - BOOK
AU  - Lapp,Ralph Eugene,1917-
AU  - Time life book
TI  - Matter
T2  - Life science library
U1  - 530.4 
PY  - 1974///
CY  - New York
PB  - Time-life books
KW  - Matter
KW  - Physics
N1  - Bibliography: p. 196
ER  -