Johnson Robert. creator Kuby, Patricia. text bibliography cau Califiornia Thomson c2005 2005 9th ed. monographic eng 1 v. (various pagins) ill. 25 cm. + 1 computer disc Robert Johnson, Patricia Kuby. ESTE LIBRO INCLUYE UN DISCO. Includes bibliographical references and indexes. Statistics Textbooks QA276.12 .J65 2005 519.2 J661j9 053499945X 2004108284 UIA 070217 20200511141309.0 281104 spa