WARDLAW, C W The comparative investigation of apices of vascular plants by experimental methods. [electronic resource] - Philosophical transactions of the Royal Society of London. Series B, Biological sciences Oct 1950 - 583-604 p. digital Publication Type: Journal Article ISSN: 0962-8436 Standard No.: 10.1098/rstb.1950.0012 doi Subjects--Topical Terms: Plants