Valk, Willem Lodewijk,  1900- <br/><br/>
Production, pricing and unemployment in the static state, 
by Dr. W. L. Valk. 
 - Haarlem,  London,  De erven F. Bohn n. v.;  P. S. King & son, ltd.,  1937. 
 - xii, 138 p.  25 cm. 
 - Nederlandsch economisch instituut ... [Publicatie]  nr. 21 .
<br/><br/>Bibliographical foot-notes. 
<br/><br/><label>LCCN: </label>agr38000094  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business cycles.<br/>Prices.<br/>Unemployed.
<br/><br/><label>LC Class. No.: </label>HB3711  / .V3