The aim of this paper is to give a global insight into the behaviour of F0 and FM in a wide temperature range from -100 degreesC to 75 degreesC. We show that the F0 increases upon linear freezing, similarly to the widely published increase of the F0 upon linear heating. In contrast to this the FM decreases upon linear heating in the whole temperature range from -100 degreesC to 75 degreesC. A comparison of low and high temperature induced increase of the F0 is presented. Copyright 1998 Elsevier Science B.V.

Department of Experimental Physics Faculty of Sciences Palacky University tr Svobody 26 77146 Olomouc Czech Republic

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