TY  - BOOK
AU  - Williams,Howel
TI  - Volcanic history of the Guatemalan Highlands
U1  - 551.21097281 
PY  - 1960///
CY  - Berkeley
PB  - University of California Press
KW  - Volcanoes
KW  - Guatemala
N1  - Bibliography: p. 71-72
ER  -