For four decades, using presses he operated with his own inky hands, Mr. Merker was a designer, typesetter and printer of some of the most beautiful books made in America in the late 20th century.
To assess trends in twinning over four decades using a population-based registry.
We describe contemporaneous changes in environmental quality and social deprivation in English local authority districts over four decades, using secondary source GIS modelled data on environmentally intrusive development.
To resolve this uncertainty this paper documents the land use dynamics from three ecological zones of district Swat over four decades using aerial photographs and remote sensing data for the years 1968, 1990 and 2007.
Via an enthusiast website, he learned of a method to gently remove the oxidation that had encrusted the bike's chrome over four decades, using nothing more sophisticated than aluminium foil and water.
Dr. Haydon, with colleagues from Edinburgh University and from Oxford University's wildlife conservation research unit, which has been studying Ethiopian wolves for nearly two decades, used data from a 2003 rabies outbreak to model vaccination strategies.
Deng, a veteran of China's revolutionary struggle who had been alternately promoted and punished by Mao during the previous three decades, used his influence in the army and the Communist Party to make a sharper break with Mao than Mr. Hua favored.
Most customer surveys conducted by different organizations in the last two decades used a combination of all three techniques.
He has been working in digital storytelling for almost two decades using all kinds of media – from web to TV, games and infographics.
