00527cz a2200157n 4500 n 83197517 DLC 20210922131210.0 831201n| azannaab |n aaa n 83197517 DLC eng rda DLC DLC 1958 edtf Wald, Robert M. His General relativity, c1984: CIP t.p. (Robert M. Wald) LC data base, 9/26/83 (hdg.: Wald, Robert M.) Advanced classical electromagnetism, 2022: ECIP title page (Robert M. Wald) data view (b. 1958)