000			00450nam a22001217a 4500
008			230428b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_a5/6.009.01(51+73)(082.2) _bK7
245			_aThird joint conference for Sino-American science cooperation _c/ National Academy of Sciences
260			_aWashington, D. C.: _bNational Academy of Sciences, _c1967
300			_a107p.
942			_2udc _cPR
999			_c24699 _d24699