00269nam a22000857a 4500100003500000245006500035260003000100300001200130700004100142  aShaikh, Ghayas-ul-Din a96EL25  aStudy of Protection System of 132/11 KV Grid Station Sakrand  aNawabshah:bQUEST,c2001.  a126p. ;  aDepartment of Electrical Engineering