Rajaa
Hakutulokset: Hakutulos
Rajaa
yksi hakutulos.
Notes by a Naturalist on the Challenger
pokkari,
2014,
englanti,
ISBN 9781108074834
The Challenger Expedition of 1872–6 was conceived to examine the deep sea floor worldwide and disprove the theory of a 'dead zone' in the oceans below a certain depth. Using a …