TY - BOOK AU - Janssen,L.H. TI - Free trade, protection and customs union AV - HF1713 .J3 U1 - 337 PY - 1961/// CY - Leiden PB - H. E. Stenfert Kroese KW - Free trade KW - Customs unions KW - Prices N1 - Includes bibliography N2 - This book is the result of a research project, started at the Economisch Sociologisch Instituut at Tilberg, The Netherlands. It discusses international trade and customs unions ER -