2401
2402
2403
Published: 1990
Superior document: Fieldiana : Geology N.S.,19
2404
2405
2406
2407
Published: 1964
Superior document: Memoirs of the American Philosophical Society 58
2408
Published: 1939
Superior document: Memoirs of the American Philosophical Society 11
2409
Published: 1981
Superior document: Estudios de historia antigua 2
2410
Published: 1949
Superior document: Analele Academiei Republicii Populare Române : Seria A 2,18
2411
2412
Published: 1966
Superior document: National Bureau of Standards miscellaneous publications 275
2413
Published: 1983
2414
2415
2416
2417
2418
2419
2420