Table 2. Data bases built by the Ecological Sciences Information Center in the subject area of radioecology Years of literaDate base ture covered Abstracted Indexed Environmental Aspects of the Transuranics 1948 - 1976 yes yes Radionuclide Movement in Soils and Uptake by Plants 1948 1975 yes yes Klement & Schultz Radioecology Bibliographies 1962 1974 no yes Personal Literature Collections of ORNL Environmental Scientists & Publications by ESD Researchers 1956 1974 yes yes Behavior of U and Th 1941 1975 yes yes in Th Fuel Cycle 288