Bibliography

Barghoorn, E. S., M. K. Wolfe, and K. H. Clisby, 1954.

Fossil Maize from the Valley of Mexico.

Bot. Mus. Leaflets, Harvard University 16: 229-240.

Christensen, B. Brorson, 1945. Measurements as a Means

of Identifying Fossil Pollen.

Danmarke Geologiske Undersgelse IV R., Bd. 3, Nr, 2.

Firbes, F., 1937. Der pollenanalytische Nachweis dos

Getreidebaus. Zeitschrift für Botanik, Bd. 31: 447-478.

Geisler, F., 1945. A study of Pollen Grains of

Thirty-two Species of Grasses.

Butler Univ. Bot. Studies 7: 65-73.

Excavations at the LoDaisKa Site in the Denver, Colorado area · 第 117 / 158 题