R. Letz

Defining measurement precision for effort dependent tests: the case of three neurobehavioural tests.

D. Wegman, E. Eisen, E. Baker, 1988, International journal of epidemiology.

Multivariate morphometric study of the Sempervivum montanum group (Crassulaceae) in the West Carpathians

K. Marhold, R. Letz, 1998 .

Lectotypification of some names in Jovibarba and Sempervivum (Crassulaceae)

K. Marhold, R. Letz, 1996 .

The nomenclature of the Sempervivum montanum group (Crassulaceae) in the Carpathians

R. Letz, 2002 .

Sensory thresholds among construction trade painters: a cross-sectional study using new methods for measuring temperature and vibration sensitivity.

E. Baker, R. Letz, F. J. Bove, 1989, Journal of occupational medicine. : official publication of the Industrial Medical Association.