00315nam a22001337a 4500003000400000008004100004082001700045100002200062245003800084260002300122300000700145942001200152999001700164OSt240110b        |||||||| |||| 00| 0 eng d  aT635.4bS66S  aSrivastava, P. K.  aStudies on variability in parwal.  aSaborbB.A.Uc1977  a60  2ddccBK  c36057d36057