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Rabula Gospels
The Rabbula Gospels, or Rabula Gospels (Florence, Biblioteca Medicea Laurenziana, cod. Plut. I, 56), is a 6th-century illuminated Syriac Gospel Book. One of the finest Byzantine works produced in W
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Robert Harting
You can help expand this article with text translated from the corresponding article in German. (June 2018) Click [show] for important translation instructions.View a machine-translated version of
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Udwadia–Kalaba equation
In classical mechanics, the Udwadia–Kalaba formulation is a method for deriving the equations of motion of a constrained mechanical system. The method was first described by Anatolii Fedorovich Ver
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Saint Hermes
Saint Hermes, born in Greece, died in Rome as a martyr in 120, is venerated as a saint by the Catholic Church and the Eastern Orthodox Church. His name appears in the Martyrologium Hieronymianum as
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Singapore Straits
The Singapore Strait is a 113 km-long (70 mi), 19 km-wide (12 mi)strait between the Strait of Malacca in the west and the South China Sea in the east. Singapore is on the north of the channel, and
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Birth registration
A birth certificate is a vital record that documents the birth of a person. The term "birth certificate" can refer to either the original document certifying the circumstances of the birth or to a
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Gender imbalance
The human sex ratio is the ratio of males to females in a population in the context of anthropology and demography. In humans, the natural sex ratio at birth is slightly biased towards the male sex
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Global optimization
This article includes a list of general references, but it lacks sufficient corresponding inline citations.Please help to improve this article by introducing more precise citations. (December 2013
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Fertility rates
The total fertility rate (TFR) of a population is the average number of children that are born to a woman over her lifetime, if they were to experience the exact current age-specific fertility rate
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Caen stone
Caen stone (French: Pierre de Caen) is a light creamy-yellow Jurassic limestone quarried in north-western France near the city of Caen. The limestone is a fine grained oolitic limestone formed in s
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