Sources: Spaceflight: A Historical Encyclopedia
نویسندگان
چکیده
منابع مشابه
Historical sources and watershed evolution.
Historical data, including structures, documents, photographs and eyewitness reports, allow changes in some drainage basins to be documented in fine detail over time periods ranging from a few days to several decades. The USA is rich in data sources that are freely available. Rates of bank erosion, meander migration, channel width, riparian vegetation and watershed land use and cover conditions...
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Linking individuals across historical datasets relies on information such as name and age that is both non-unique and prone to enumeration and transcription errors. These errors make it impossible to find the correct match with certainty. We suggest a fully automated method for linking historical datasets that enables researchers to create samples that minimize type I (false positives) and type...
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Many archives have introduced online archival databases in the past few years. However, apart from being independent of place and time, hardly any of these databases make finding records any easier than it was before. This paper suggests to put more emphasis on the needs and behavior of users and to provide them with the context in which records were created, thus making it possible to link arc...
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The 100,000th scientific article on the subject of spermatozoa was recently published. Many studies have evaluated the characteristics of this important cell leading to great discoveries. Since its first observation and description in 1677, many important characteristics have been described regarding this highly fascinating gamete. In this review, our objective has been to provide a historical ...
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The Embryo Project Encyclopedia is a digital publication for topics related to the sciences of developmental biology and reproductive biology [2], and for the historical, legal, ethical, and social contexts of those sciences. The encyclopedia regularly publishes descriptive articles, interpretive essays, pictures, original graphics, and other kinds of items. All items are published Open Access ...
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ژورنال
عنوان ژورنال: Reference & User Services Quarterly
سال: 2010
ISSN: 1094-9054
DOI: 10.5860/rusq.50n1.85