http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
The quaternary alkaloids of Pleiocarpa mutica Benth, Pleiocarpa tubicina Stapf and Alstonia macrophylla Wall
Khan, Zaheer Mohammad: The quaternary alkaloids of Pleiocarpa mutica Benth, Pleiocarpa tubicina Stapf and Alstonia macrophylla Wall
Khan, Zaheer Mohammad: The quaternary alkaloids of Pleiocarpa -- mutica Benth, Pleiocarpa tubicina Stapf and Alstonia macrophylla -- Wall. Diss. phil. II Zurich 1967. - 8°. 45 p. -- Hb 5623