Investigation of proportional counters /

"LADC 148"

Democracy or anarchy? : A study of proportional representation /

Mode of access: Internet.

Oscillating systems damped by resistance proportional to the square of the velocity,

"Reprinted from the Physical review, n. s., vol. X, no. 5, November, 1917."

Serial reports on start-up experiments : no. 5. counting losses in BF₃ proportional counter systems.

"Work performed under Contract No. AT-30-2-Gen-16."

PR politics in Cincinnati : thirty-two years of city government through proportional representation /

Mode of access: Internet.

Instrumentum proportionum, oder Unterricht vom Proportional-Zirkul, Durch welchen Sowohl Matematische als Mechanische, unter die Proportion gehorige Fragen, in Theoria und Praxi, mit behender und accurater Fertigkeit aufzulosen sehn ... /

Mode of access: Internet.

Local, joint and proportional freight tariff of class rates applying between stations in the vicinity of New York, N.Y. ....

(Tariff no.)

Proportional representation,

Mode of access: Internet.

A proportional ionization chamber.

Mode of access: Internet.

Proportional registration, the Western system for licensing interstate motor vehicle fleets, a brief history and explanation.

Cover title.

Proportional representation,

"Select bibliography": p. 514-517.

Proportional representation review

Mode of access: Internet.