por Cline, Barbara Lovett [autor] | Almela, Juan, 1934-, 1934- [traductor] | Cline, Barbara Lovett. Questioners.
por Jeans, James Hopwood, Sir, 1877-1946 [autor] | Hernández Barroso, Mateo, 1884-1949 [traductor] | Jeans, James Hopwood, Sir, 1877-1946. Growth of physical science.
por Barnett, Lincoln Kinnear, 1909- [autor].