A chemical and mineralogical examination of the ceramic sequence from Tikal, el Peten, Guatemala.

von Cowgill, Ursula M.
Veröffentlicht in American journal of science, 267.1969, April: S. 465-477
New Haven, Conn. : Laboratory, 1969.

A method for the determination of free silica in lake sediments by use of X-ray emission spectroscopy.

von Cowgill, Ursula M.
Veröffentlicht in Archiv für Hydrobiologie, 63. 1967, No. 2
Stuttgart, 1967.
Umfang/Format: S. 194-201 : 3 Ill. ; 1 Tab.

The hydrogeochemistry of Linsley Pond, North Branford, Connecticut 1. Introduction, field work and chemistry by X-ray emission spectroscopy

von Cowgill, Ursula M.
Veröffentlicht in Archiv für Hydrobiologie, 68. 1970, No. 1
Stuttgart, 1970.
Umfang/Format: S. 1-95 : 60 Ill. ; 12 Tab. ; 3 Faltill.

Can we stabilize population by taking thought?. - o.O. - S. 29-35.

von Cowgill, Ursula M.
o.J.

A chemical and mineralogical examination of the ceramic sequence from Tikal, El Peten, Guatemala. - New Haven, CT.

von Cowgill, Ursula M.
Veröffentlicht in American journal of science ; 267.1969, S. 465-477 : 6 Ill. ; 7 Tab.
1969.

Ecological and geochemical archaeology in the southern Maya lowlands. - Albuquerque, NM.

von Cowgill, Ursula M.
Veröffentlicht in Southwestern journal of anthropology ; 19.1963, no. 3, S. 267-286.
1963.

La Aguada de Santa Ana Vieja : the history of a pond in Guatemala.

von Cowgill, Ursula M.
Veröffentlicht in Archiv für Hydrobiologie, 62. 1966, No. 3
Stuttgart, 1966.
Umfang/Format: S. 335-372 : 13 Ill.; 2 Tab.

Some comments on Manihot subsistence and the ancient Maya. - Albuquerque, NM.

von Cowgill, Ursula M.
Veröffentlicht in Southwestern journal of anthropology ; 27.1971, no. 1, S. 51-63 : 5 Tab.
1971.

Marriage and its progeny in the city of York, 1538-1751. - Maidstone.

von Cowgill, Ursula M.
Veröffentlicht in Kent Archaeology Society <Maidstone> : papers ; 42. o.J., S. 47-87 : 4 Ill. ; 2 Tab.
o.J.

Crain prices and vital statistics in a portugese rural parish, 1671-1720. - Oxford.

von Cowgill, Ursula M.
Veröffentlicht in Journal of biosocial science ; 3.1971, S. 321-329 : 1 Ill. ; 5 Tab.
1971.

Differential mortality among the sexes in childhood and its possible significance in human evolution. - Washington, D.C.

von Cowgill, Ursula M.
Veröffentlicht in Proceedings of the National Academy of Sciences ; 49.1963, no. 4, S. 425-429 : 2 Tab.
1963.

Life and death in sixteenth century in the City of York. - New York, N.Y.

von Cowgill, Ursula M.
Veröffentlicht in Population studies ; 21. 1967, No. 1, S. 53-62 : 6 Ill. ; 4 Tab.
1967.

The people of York : 1538-1812. - New York, N.Y.

von Cowgill, Ursula M.
Veröffentlicht in Scientific american ; 222. 1970, No. 1, S. 104-112 : 12 Ill.
1970.

An apparent lunar periodicity in the sexual cycle of certain Prosimians. - Washington, D.C.

von Cowgill, Ursula M.
Veröffentlicht in Proceedings of the National Academy of Sciences ; 48.1962, no. 2, S. 238-241 : 1 Ill. ; 1 Tab.
1962.

Brief proposal : changes in the fertility span of man. - Chicago, IL.

von Cowgill, Ursula M.
Veröffentlicht in Perspectives in biology and medicine ; 15. 1971, No. 1, S. 141-146 : 1 Tab.
1971.

The waters of Merom : a study of Lake Huleh 1. Introduction and general stratigraphy of a 54M core

von Cowgill, Ursula M.
Veröffentlicht in Archiv für Hydrobiologie, 66. 1969, No. 3
Stuttgart, 1969.
Umfang/Format: S. 249-272 : 4 Ill. ; 3 Kt. ; 2 Tab. ; 1 Faltill.

Chemical examination of a core from Lake Zeribar, Iran. - Washington, D.C.

von Hutchinson, G. E.
Veröffentlicht in Science ; 140.1963, no. 3562, S. 67-69 : 2 Ill. ; 1 Tab.
1963.

The history of Laguna de Petenxil: a small lake in northern Guatemala/ by Ursula M. Cowgill ...- New Haven, CT: Connecticut Acad. of Arts and Sciences.- 126 S.: zahlr. Ill., Taf. u...

Connecticut Academy of Arts and Sciences (New Haven-CT): memoirs 17
1966.