div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentinreader043viewer2022040905624e27884d19c23ef82514b6html5page1jpg target=_blank img data-url=ixth-international-symposium-on-vulcanospeleologyhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: IXth INTERNATIONAL SYMPOSIUM ON - vulcanospeleology loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentinreader043viewer2022040905624e27884d19c23ef82514b6html5thumbnails1jpg width=140 height=200 adivpIXth INTERNATIONAL SYMPOSIUM ON VULCANOSPELEOLOGYp pEN - 231pdiv