TY  - SER
AU  -  Cox, George, 
TI  -  The International Auxiliary Language Esperanto : :  Grammar and Commentary 
AV  - PM 
PY  - 2011///
PB  -  Project Gutenberg, 
KW  -  Esperanto -- Grammar
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/35815
ER  -