Knuth, Paul Handbuch der Blütenbiologie. III. Band. Knuth, Paul Handbook of Flower Pollination Based Upon Hermann Müller's Work 'The Fertilisation of Flowers by Insects';; Volume 3 Knuth, Paul Handbook of Flower Pollination Based Upon Hermann Müller's Work 'The Fertilisation of Flowers by Insects';; Volume 3 Knuth, Paul Handbuch der Blütenbiologie, Dritter Band Sök bara efter: Knuth, Paul