Sree, P S and Nwanze, K F and Butler, D R and Reddy, D D R and Reddy, Y V R  (1994) Morphological factors of the central whorl leaf associated with leaf surface wetness and resistance in sorghum to shoot fly, Atherigona soccata.  Annals of Applied Biology, 125 (3).  pp. 467-476.  ISSN 1744-7348