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Roger Ruhlin has written 1 work(s)
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Looks at the varied daily activities of a marine biologist studying different forms of ocean life under the sea and at an oceanographic institute
Paperback:
9780893754471 | Troll Communications Llc, November 1, 1980, cover price $2.95 | About this edition: Follows a day's activities of a marine biologist as she studies and takes care of sea animals at an oceanographic institute.
School and Library:
9780893754464 | Troll Communications Llc, April 1, 1981, cover price $12.50 | About this edition: Follows a day's activities of a marine biologist as she studies and takes care of sea animals at an oceanographic institute.
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