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Concepts of variable in middle-grades mathematics textbooks during four eras of mathematics education in the united states
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Middle school students' willingness to engage in different types of activities with peers :
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Importance of environmental education and knowledge comparing grades 9-12 in Monteverde, Costa Rica and Middleton, Wisconsin, USA
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Effects of environmental changes on molluscan evolutionary patterns, Gosport Sand (Middle Eocene), Southwest Alabama
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Middle pleistocene oceanographic and environmental conditions in shallow-marine waters of the southwestern Colombian basin : inferences from the stable-isotope record of a fossil coral
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Spring 2009 potentiometric map of the Middle Trinity Aquifer in groundwater management area 9, central Texas
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Sediment micromorphology and site formation processes during the Middle to Later Stone Ages at the Haua Fteah Cave, Cyrenaica, Libya
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Precise dating of the Middle-to-Upper Paleolithic transition in Murcia (Spain) supports late Neandertal persistence in Iberia
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Formation processes at a high resolution Middle Paleolithic site: Cueva Antón (Murcia, Spain)
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New radiocarbon dating of the transition from the Middle to the Upper Paleolithic in Kebara Cave, Israel
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Sequential incisions on a cave bear bone from the Middle Paleolithic of Pešturina Cave, Serbia
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An engraved bone fragment from c. 70,000-year-old Middle Stone Age levels at Blombos Cave, South Africa : implications for the origin of symbolism and language
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Technological, elemental and colorimetric analysis of an engraved ochre fragment from the Middle Stone Age levels of Klasies River Cave 1, South Africa
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Identifying regional variability in Middle Stone Age bone technology: the case of Sibudu Cave
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Middle Stone Age bone tools from the Howiesons Poort layers, Sibudu Cave, South Africa
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Notched, flaked and ground bone artefacts from Middle Stone Age and Iron Age layers of Sibudu Cave, KwaZulu-Natal, South Africa : Sibudu Cave
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Pleistocene Panthera leo spelaea (goldfuss 1810) remains from the Balve cave (NW Germany) – a cave bear, hyena den and middle palaeolithic human cave - and review of the Sauerland Karst lion cave sites
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An early bone tool industry from the Middle Stone Age at Blombos Cave, South Africa : implications for the origins of modern human behaviour, symbolism and language
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