Henson, I E and Mahalakshmi, V and Alagarswamy, G and Bidinger, F R  (1983) An association between flowering and reduced stomatal sensitivity to water stress in pearl millet (Pennisetum americanum (L.) Leeke).  Annals of Botany, 52 (5).  pp. 641-648.  ISSN 0305-7364