TY  - BOOK
AU  - Decker, Robert W. (Robert Wayne)
AU  - Decker, Barbara
TI  - Volcano watching
PB  - Hawaii Natural History Association
PB  - U.S. National Park Service, U.S. Dept. of the Interior
PY  - 1980
EP  - 80 p.
UR  - http://ci.nii.ac.jp/ncid/BA23733740
ER  -