00342nam a2200133Ia 450000500170000008000220001724500550003926000340009430000100012858300170013865000190015594200170017499900170019120260716043647.0  aREF 19.03.01 M147  aMcGraw-Hill encyclopedia of science and technology  bMcGraw-HillaNew YorkUSc1977  a15 v.  c3/3/06kJOYD  aENCYCLOPAEDIAS  cCmM147kREF  c51798d51798