TY  - BOOK
AU  - Ralph E., Lapp
TI  - Matter
T2  - Life science library
U1  - 372.357 
PY  - 1963///
CY  - New york : 
PB  - Time incorporated, new york, 
KW  - MATERIA
N1  - Consulting editors: rene dubos, henry margenau y c. p. snow. incluye the author, contents, introduction e index. numero de inventario 795-796.
ER  -