000 00527nam a22001457a 4500
008 230511b |||||||| |||| 00| 0 eng d
040 _aNational Science Library
_cNational Science Library
080 _aR 017:5/6(71)
_bL3
245 _aPublications of the national research council of Canada 1972:
_bSupplement 1972
_c/ National Research Council of Canada
260 _aOttawa:
_bNational Research Council of Canada,
_c1972
300 _a193p.
650 _aPublications
653 _aResearch council
942 _2udc
_cREF
999 _c28733
_d28733