The Direction of Research Eastablishments  proceedings of a symposium held at the National Physical Laboratory on 26th, 27th and 28th September, 1956. 

 - London  Her Majesty's Stationary Office  1957 
 - (various pagings): ill.; 24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research and Development Science. 
<br/><br/><label>Dewey Class. No.: </label>507.2  / N28D