El-Ballal, Ahmed Sayed Ibrahim. <br/><br/>
Effect of selection on yield and essential oil content in caraway (carum carvil) in U.A.R.  [microform] / 
by Ahmed Sayed Ibrahim El-Ballal. 
 -  1969. 
 - 99, 2 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Al-Azhar University, 1969. 
<br/><br/>Includes bibliographical reference (leaves 90-99). 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>2 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicinal plants.<br/>Plant selection.<br/>Essences and essential oils.