By Nasr T.A.   Ibrahim I.K.A.   El-Azab E.M.   Hassan M.W.A.   in Nematologica

ISSN:1875-2926|26|2|133-138

Brill‎(1980)‎

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By Habil E.D.   Nasr T.Z.   in International Journal of Theoretical Physics

ISSN:0020-7748|41|4|791-810

Springer Publishing Company ‎(2002)‎

Access to resources Favorite 3.6830485