共 9 条
[1]
IULO W, 1961, ELECTRIC UTILITIES C, P103
[2]
Kendrick JohnW, 1961, PRODUCTIVITY TRENDS
[3]
RUTTAN VW, 1952, THESIS U CHICAGO
[4]
SAMUELSON PA, 1948, F EC ANAL, pCH6
[6]
Stigler G., 1963, CAPITAL RATES RETURN
[7]
Ulmer Melvin J., 1960, CAPITAL TRANSPORTATI
[8]
*US BUR CENS, 1960, SERIES S46
[9]
*US FED POW COMM, 1959, STEAM EL PLANT CONST