Edrisi, S. , Farahbakhsh, A.. "Germination of Barley as Affected by the Allelopathy of Sisymbrium irio L. and Descurainiasophia (L.) Schur". World Academy of Science, Engineering and Technology, Open Science Index 50, International Journal of Agricultural and Biosystems Engineering (2011), 5(2), 76 - 78.