Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
338.47621313(73) P415 C1443
Pennsylvania, Universtiy. Wharton School of Finance and Commerce Capital requirements and operating ratios the electric motor industry Washington Government Printing 1954 ii,37p. * Secondary industries