Ansari R & Jeeja G Waterlilies in India : Taxonomy and Cultivation of the Genus Nymphaea L (Nymphaeaceae) .-81-901637-1-X - Malbar Botanical Garden, Kozhikode, Calicut 2009 - 86p ISBN: 81-901637-1-X Dewey Class. No.: I5:11.2/P09/B26995