TY  - BOOK
AU  - Judd,John Weslay
TI  - Volcanoes : : what they are and what they teach / 
U1  - 551.21 JUD 
PY  - 1907///
CY  - London : 
PB  - K. Paul, Trench, Trubner and Company, 
KW  - Volcanoes
ER  -