00522nam a2200181 a 450000500170000008200170001710000170003424500450005126000380009630000220013449000200015669000290017670000190020596400250022499700120024999900170026195200620027820251203091609.0  a613,bD, bij  aBijlani, RL.  aHuman machine: how to prevent breakdowns  aINew DelhiiabNational Bookc1990  axii, 235p, 22 cm.  aPopular science  aHealth-Personal hygience  aManchanda, SK.  bEngc100de010fg_  a55060 W  c45845d45845  02104070aPUbPUd1998-04-08l0o613, D, bijp55060yBK