00594nam a2200241Mi 4500 ocn637919361 OCoLC 20151023232308.0 900313s1981 sa a 001 0 afr d Y$R afr Y$R ZAAPA 0074505750 9780074505755 (OCoLC)637919361 621.3 ZAAA Du Preez, C. Elektrovakteorie / C. du Preez. 2de uitgawe. Johannesburg : McGraw-Hill, 1981. 208 p. : ill. ; 21 cm. C0 ZAAPA 0 30773 30773 0 0 ddc 0 0 DAPA DAPA 2015-06-03 0 621.38 DUP APA035823 2015-06-03 1 2015-06-03