00419nam a2200145 a 450000500170000010000230001710000270004024500600006726000260012730000230015396400160017699700120019299900170020495200520022120251203091303.0  aRadhakrishna, Sd_  aIyengar T.K.S. Ed.,d_  aTechnical information services for devoloping countries  aChennaibCOSTEDc1977  a344 p.c22 cm.bPB  bcdefg_  a48423 W  c36799d36799  02104070aPUbPUd2000-02-08l0o p48423yBK