Circular / US. Geol. survey. N 1036 : Safe disposal of radionuclides in low-level radioactive-waste repository sites : Low-level radioactive-waste disposal workshop, July 11-16, 1987, Big Bear Lake(Ca);Proc. / Low-level radioactive-waste disposal workshop (1987 ; Big Bear Lake,Ca) , 1990. - IX,125 p. - Текст : непосредственный.