TY  - SER
AU  -  Priestley, Joseph, 
TI  -  Experiments and Observations on Different Kinds of Air 
AV  - QD 
PY  - 2009///
PB  -  Project Gutenberg, 
KW  -  Air -- Early works to 1800
KW  -  Chemistry -- Early works to 1800
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/29734
ER  -