00273nam a22000977a 4500003000400000008004100004245003100045250004300076260003600119650002000155OSt201203b           ||||| |||| 00| 0 eng d  aPramana Journal Of Physics  a2007(Jan Vol.68 No.1, Feb Vol.68 No.2)  aBengaluru, KarnatakabSpringer   aApplied Science