Deskribapena
Deskribapen fisikoa:x, 230 p. ; 21 cm.
Bibliografia:Includes bibliographical references and index.
ISBN:9780415667852 (alk. paper)
0415667852 (alk. paper)
9780415667869 (pbk. : alk. paper)
0415667860 (pbk. : alk. paper)
9780203806838
0203806832