00791cam a22002531 4500 agr38000094 DLC 20260227110956.0 770504s1937 ne b 000 0 eng agr38000094 (OCoLC)2938869 DLC FJUNF DLC premarc HB3711 .V3 Valk, Willem Lodewijk, 1900- Production, pricing and unemployment in the static state, by Dr. W. L. Valk. Haarlem, De erven F. Bohn n. v.; London, P. S. King & son, ltd., 1937. xii, 138 p. 25 cm. Nederlandsch economisch instituut ... [Publicatie] nr. 21 Bibliographical foot-notes. Business cycles. Prices. Unemployed. 9838 9838