Nelson Richard R <br/><br/>
Understanding technical change as an evolutionary process 
Nelson Richard R 
 - Amsterdam  North-Holland            1987 
 - viii,125p  cm. 
 - F De Vries lecture in economics : Theory, institutions, Policy, 8 .
<br/><br/> Bibliography: P 123-25 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic IRT Technology
<br/><br/><label>Dewey Class. No.: </label>X0gF, M7