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Steven L Swartz

8 cilt bulundu.

Cilt sonuçları

Lagoon Time

Steven L. Swartz · Independent Publisher

200 sayfa · 2012

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The Gray whale

Mary Lou Jones, Steven L. Swartz, Stephen Leatherwood · Elsevier Science & Technology Books

600 sayfa · 1984

Gray whale / Whaling / Gray whale. 0 / Whales / Cetacea

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Demographic studies and habitat assessment of gray whales, Eschrichtius robustus, in Laguna San Ignacio, Baja California Sur, Mexico

Steven L. Swartz · The Commission

56 sayfa · 1981

Gray whale / Whales

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Gray whales, Eschrichtius robustus, during the 1977-1978 and 1978-1979 winter seasons in Laguna San Ignacio Baja California Sur, Mexico

Steven L. Swartz · U.S. Marine Mammal Commission

35 sayfa · 1980

Gray whale

Gray whaleThe evaluation of human activities on gray whales, Eschrichtius robustus, in Laguna San Ignacio, Baja California, MexicoSteven L. Swartz

The evaluation of human activities on gray whales, Eschrichtius robustus, in Laguna San Ignacio, Baja California, Mexico

Steven L. Swartz · Natural History Museum

34 sayfa · 1978

Gray whale

CongressesA review of the status of gray whales (Eschrichtius robustus) with a summary of research and management needsSteven L. Swartz

A review of the status of gray whales (Eschrichtius robustus) with a summary of research and management needs

Steven L. Swartz · U.S. Marine Mammal Commission

30 sayfa · 1986

Gray whale / Congresses

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Steven L Swartz · Marine Mammal Commission

Sayfa sayısı yok · 1991

Marine mammals / Law and legislation

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Richard J. Nevle, Steven Nightingale, Steven L. Swartz, Jose Francisco Mayoral, Julia Carabias Lillo · Samara Press

Sayfa sayısı yok · 2024

Nature / Travel