2481
2482
2483
Published: 1918
Superior document: Bulletin / Agricultural Experiment Station / University of California, Division of Agricultural Sciences 294
2484
2485
2486
Published: 1906
Superior document: The collected mathematical works of George William Hill 2 (1906)
2487
2488
2489
2490
2491
2492
2493
Published: 1906
Superior document: The collected mathematical works of George William Hill 3 (1906)
2494
2495
2496
Published: [1984]
Superior document: Spatial population dynamics 1
2497
2498
Published: 1927
Superior document: Publication / Carnegie Institution of Washington 364
2499
2500
Published: 1984
Superior document: Edmonton area series report / Population Research Laboratory, Department of Sociology, University of Alberta 32