- 1103/PhysRev.78.298.2.
Seaborg 1996, p. 82. W****s &
Leichester 1968, p. 849. W****s &
Leichester 1968, p. 848.
Heiserman 1992, p. 347. Diamond, H.; Magnusson...
-
Production and Uses. Wiley. ISBN 978-3-527-61201-7. W****s, Mary Elvira;
Leichester,
Henry M. (1968).
Discovery of the Elements. Easton, PA:
Journal of Chemical...
- ). Butterworth-Heinemann. ISBN 978-0-08-037941-8. W****s, Mary Elvira;
Leichester,
Henry M. (1968). "Elements
known to the ancients".
Discovery of the elements...
- Elements.vanderkrogt.net.
Retrieved 2008-09-12. W****s, Mary Elvira;
Leichester,
Henry M. (1968). "Elements
Known to the Ancients".
Discovery of the Elements...
-
original (PDF) on 2016-03-04.
Retrieved 2019-01-04. W****s, Mary Elvira;
Leichester,
Henry M. (1968).
Discovery of the Elements. Easton, PA:
Journal of Chemical...
- ). Butterworth-Heinemann. ISBN 978-0-08-037941-8. W****s, Mary Elvira;
Leichester,
Henry M. (1968).
Discovery of the Elements. Easton, PA:
Journal of Chemical...
-
chemistry (6th ed.). CRC Press. ISBN 978-0-7487-6420-4. W****s, Mary Elvira;
Leichester,
Henry M. (1968).
Discovery of the Elements. Easton, PA:
Journal of Chemical...
-
Physics (84th ed.). CRC Press. ISBN 978-0-8493-0566-5. W****s, Mary Elvira;
Leichester,
Henry M. (1968).
Discovery of the Elements. Easton, PA:
Journal of Chemical...
- Elements.vanderkrogt.net.
Retrieved 2008-09-12. W****s, Mary Elvira;
Leichester,
Henry M. (1968). "Elements
Known to the Ancients".
Discovery of the Elements...
- Andrade, John. U.S.
Military Aircraft Designations and
Serials since 1909.
Leichester, UK:
Midland Counties Publications, 1979. ISBN 0-904597-22-9. Beck, Simon...