Nunes, Joäo Carlos
Notes on the volcanic caves of S. Miguel island
Notes on the volcanic caves of S. Miguel island;
/ Joäo Carlos Nunes, Teófilo Braga, Joäo Paulo Constância.
- Hilo : 6th International Symposium on Volcanospeloplogy, 1991.
- [3] p. ; 31 cm.
Espeleologia--Ilha de Säo Miguel / Grutas Vulcânicas--Ilha de Säo Miguel /
--Açores
CDU 551.44(469.931)
