1401
Published: 1972
1402
Published: 1938
Superior document: Bell telephone system B-1075
1403
Published: 2000
Superior document: US Geological Survey professional paper 1601
1404
1405
1406
1407
Published: 2000
Superior document: Wisconsin astrophysics 758
1408
1409
1410
Published: 1987
Superior document: Bulletin of the Florida State Museum 31,2
1411
1412
1413
1414
1415
1416
1417
Published: 2003
Superior document: NIST special publication 960-11
1418
Published: 1988
Superior document: Bulletin of the Florida State Museum 33,2
1419
1420