Average prices of gas, water and electric light and power companies in Pennsylvania since 1939.

類似資料

• Public utility rates; a discussion of the principles and practice underlying charges for water, gas, electricity, communication and transportation services
  著者:: Barker, Harry, b. 1881
  出版事項: (1917)
• Rate-making for public utilities
  著者:: Lyndon, Lamar, 1871-
  出版事項: (1923)
• Industrial growth in Pennsylvania, 1939 to 1948
  著者:: Leffler, George Leland, 1899-
  出版事項: (1950)
• The financial plan of electric light and power companies; studies in financial structure
  出版事項: (1931)
• Accounting methods and procedure for electric, gas and water utilities
  著者:: Hammond, W. M.
  出版事項: (1925)