R389.103
  Els
   E
          Elsevier ´ s Lexicon of Internstional and National Units ; English/ American, German , Spanish , French, Itslian, Japanese, Dutch , Portuguese , Polish, Swedish, Russian . Compiled and arranged by W . E . Clason . Amsterdam, Elsevier Pub ., 1964 . 75 p. 20 cm . "Bibliography" :  p .75