TY  - BOOK
AU  - Büchner,Ludwig
AU  - Büchner,Ludwig
TI  - Force and matter, or, principles of the natural order of the universe, with a system of morality based thereon: A popular exposition 
AV  - BD652 B813
PY  - 1891///
CY  - New York
PB  - P. eckler
KW  - Fuerza y energía
KW  - Materia
KW  - Materialismo
ER  -