TY  - BOOK
AU  - Lebert,Marie
TI  - Del libro impreso al libro digital
AV  - Z 
PY  - 2010///
PB  - Project Gutenberg
KW  - Electronic books
N1  - Copyrighted. Read the copyright notice inside this book for details; Electronic text
UR  - http://www.gutenberg.org/ebooks/34091
ER  -