DIAGNOSTIC ELECTROCARDIOGRAPHY SECOND EDITION
MICHAEL C.RITOTA1977 年出版210 页ISBN:0397503482
Structural analysis fifth edition
Russell C Hibbeler2002 年出版601 页ISBN:0130418250
TECHNICIAN MATHEMATICS LEVEL 2
J.O.BIRD AND A.J.C.MAY1978 年出版373 页ISBN:0582416167