Free Download Contributions to a General Asymptotic Statistical … By J. Pfanzagl, W. Wefelmeyer Publisher Springer 1982 ISBN 0387907769,978-0-387-90776-5..
Free Download Theory of measurement… By J. Pfanzagl, V. Baumann, H. Huber Publisher Physica 1973 ISBN 3790800163,978-3-7908-0016-6,978-3-662-41488-0..