*Department of Library and Information Science, Annamalai Unviersity, Tamil Nadu, INDIA e-mail: sarlib@yahoo.com
The study of single author pattern is an important matter for discussion today. An attempt has been made to identify the status of individual researcher in astronomy science research output at International level during 1990 – 1998, and analyze countrywise paper source of astronomy science research output in relation to per capita GNP in US Dollars during 1990 – 1996.
Individual researcher, Astronomy science