00343nam a2200109Ia 4500008004100000020001800041040002900059050002700088100001500115245004900130260005400179230222s9999||||xx |||||||||||||| ||und||  a9780852263464  cChuka University Library  aSBL TK 7876 bG87 1983  aGupta K. C 0aMicrowaves: New Age International Publishers  aNew Age international PublishresbNew Delhic1983