000 00318nam a2200109Ia 4500
008 220510s1969 xx 000 0 und d
041 _aeng
082 _a330.1 YAN/INT
100 _aYAN, CHOU-SHUANG.
_9813045
245 _aINTRODUCTION TO INPUT-OUTPUT ECONOMICS.
260 _aNEWYORK
_b HOLT RINCHARD AND WISTON.
_c1969
999 _c562441
_d562441