TY - BOOK AU - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS (Department of--). ED - UNITED NATIONS, ECONOMIC AND SOCIAL AFFAIRS (Department of--). TI - Guidelines on principles of a system of price and quantity statistics U1 - X:76:(B28).N77, N7/UN PY - 1977/// CY - New York PB - United Nations N1 - Statistical paper series M, no. 59 ER -