Apel, Karl-Otto.
Understanding and explanation: a transcendental-pragmatic perspective /
Karl-Otto Apel ; translated by Georgia Warnke 
. - Cambridge, Mass. : MIT Press,  1984 
. - xxii, 293 p.  23 cm. 
 - Studies in contemporary German social thought .
<br/><label>  ISBN: </label>0-262-01079-8