TY  - SER
AU  -  Hardy, Charles
TI  -  The Aural System : :  
AV  - PB 
PY  - 2009///
PB  -  Project Gutenberg, 
KW  -  Languages, Modern -- Study and teaching
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/29163
ER  -