1. Induction of flowering in Lemna minor;Bhalla;Acta Bot. Neerl.,1972a
2. Induction of flowering in Lemna gibba G3 by aspirin;Bhalla;In Vitro,1972b
3. The gibberellins as hormones;Brian;Int. Rev. Cytol.,1966
4. Growth regulation by metals and chelates;Burström,1963
5. Researches on the physiology of formation and germination of turions in Spirodela polyrrhiza (L.) Schleiden;Czopek;Acta Biol. Cracov. Ser. Bot.,1959