00705nam a22001931 4500 1/18394 011217s1971 enk 11 eng d 0471631000 18934 DLC GR-PeUP 338.9 NEH Neher, Philip A., 1934- Economic growth & development : a mathematical introduction / Philip A. Neher New York : Wiley, [1971] xiv, 322 p. : 24 cm. Includes bibliographies Economic development Mathematical models. INST UNIPILB MAIN 20160616 338.9 NEH 00175209 00175209 LOAN 0 2 INST UNIPILB MAIN 20040709 Π 489.3'03 ΧΡ 00137520 00137520 LOAN 0 1