Studies on growth and development in lolium. I. Relation of the annual habit to head production under various systems of cutting ... (reprinted from the journal of ecology, vol. 37, no. 2, December 1949.).
Cooper, John Philip.
Saeed, Syed Wahidus.
[S.l.], 
1950]
Joint authors: John Philip Cooper and Syed Wahidus Saeed.