Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
571.842 Er66 63771
Erdtman G Pollen morphology and plant taxonomy angiosperms Stockholm Almqvist & Wiksell 1952 xiv,539p. * Morphology Plant spores Pollen Polynotaxonomy