TY  - BOOK
AU  - Humphreys, W.J. .
TI  - Physics of the Air
U1  - 551.5 
PY  - 1920///
CY  - Philadelphia
PB  - J.B. Lippincott Co.
KW  - Geology
KW  - Air
KW  - G-Geology
N1  - Index
ER  -