000 00397nam a22001217a 4500
008 221103b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aR 5/6 (058)
245 _aYearbook of science and technology 1974
_c/ McGraw Hill Book Company
260 _aNew York:
_bMcGraw-Hill Book Company,
_c1972
650 _aScience
942 _2udc
_cYBK
999 _c27858
_d27858