F. W. Lancaster

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It is common today for scientists to conduct research in 20th century, significant research on this phenomenon collaboration with their colleagues from different institudid not begin until the 1950s. Researchers in sociology, tions and disciplines. This study collected a sample of psychology, and the history of science have initiated in846 scientific(More)
t ion Service) is useful for the researcher interested in maintaining knowledge of new and recent directories. Other puhlications, such as PAIS (Public Affairs Information Service), has a place for directories in each issue, but its total price is higher than that of DIS. T o bring together under one roof all directories, and only for directories, DIS will(More)
A collection of 1316 articles authored by Cuban scientists and published in the period 1950 to 1983 was assembled. The 18 991 bibliographic references in these papers were examined to identify factors that might influence the sources cited by Cuban scientists over the entire period. Degree of collaboration, place of publication and subject matter were among(More)
The beginning and early spread of the world-wide epidemic of acquired immunodeficiency syndrome (AIDS) has been paralleled closely by a rapidly expanding literature concerned with many aspects of the disease. In order to assess the growth of the AIDS literature, a quantitative analysis was conducted focusing on the number of articles, the number of journals(More)
Two separate studies have looked at the question of whether or not the sources cited by scientists when they publish in their own national journals differ somewhat from the sources they cite when they publish outside their own country. Data derived from studies of Philippine scientists and Korean mathematicians do suggest that place of publication may exert(More)