TY - BOOK ID - 133908940 TI - An econometric study of international trade flows PY - 1966 VL - 42 PB - Amsterdam : North-Holland Pub. Co., DB - UniCat KW - Commerce KW - Commercial statistics KW - Statistique commerciale KW - Mathematical models KW - Modèles mathématiques UR - https://www.unicat.be/uniCat?func=search&query=sysid:133908940 AB - ER -