00487nam a22001575a 4500 EUN.um033333 AR-BaUNS 20050623122907.0 041125s1961####mx#a##########000#0#spa#d Mecanismos : análisis y diseño / Percy H. Hill, Wilfred P. Rule. México : Continental, 1961. 34 h. : ilus. ; 27 cm. Hill, Percy H. Rule, Wilfred P. 621.8 Ar-BaUNS BIB. CENTRAL - Sector C 621.8 H554 46446/968