TY - BOOK AU - Bell, James Washington AU - Tait, Gertrude AU - American Economic Association TI - Papers and proceedings of the sixty-eighth Annual Meeting of the American Economic Association : New York, New York, December 28-30, 1955 PB - American Economic Association PY - 1956 T2 - The American economic review VL - vol. 46, no.2 EP - xiii, 651 p. UR - http://ci.nii.ac.jp/ncid/BA87178708 ER -