TY - BOOK AU - Vizgin,Vladimir P. AU - Barbour,Julian B. TI - Unified field theories: in the first third of the 20th century SN - 3764326794 : U1 - 530 PY - 1994/// CY - Basel PB - Birkhauser Verlag KW - Unified field theories KW - History KW - Field theory (Physics) KW - Quantum theory N1 - Includes bibliographical references and index ER -