TY  - GEN
AU  - Walker,George
TI  - Ignimbrite types and ignimbrite problems
T2  - Developments in volcanology, 3
SN  - 044442251X
KW  - Volcanisme
KW  - Roche volcanique
KW  - Ignimbrite
KW  - Lahar
KW  - Pyroclastique
KW  - Coulée
N1  - bibliogr. p. 84-88
ER  -