00698nam a2200193 4500 1/6047 731203s1974 nyua b 00110 eng 0070247609 6339 DLC GR-PeUP 651.7 GR Griesinger, Frank K. How to cut costs and improve service of your telephone, telex, TWX, and other telecommunications / [by] Frank Kern Griesinger. New York, McGraw-Hill [1974] x, 310 p. : illus. ; 23 cm. Bibliography: p. 301-302. Telephone in business. INST UNIPILB MAIN 20040709 651.7 GR 00106764 00106764 LOAN 0 1 /webopac/covers/03/6339_0070247609.jpg