@booklet {221,
	title = {Cyrtosperma (Araceae) and its Old World allies. Blumea},
	volume = {33},
	year = {1988},
	abstract = {427-469.},
	author = {Hay, Alastair}
}
@booklet {222,
	title = {The genus Alocasia (Araceae-Colocasieae) in West Malesia and Sulawesi. Gardens Bull. Singapore},
	volume = {50},
	year = {1998},
	abstract = {221-334},
	author = {Hay, Alastair}
}
@booklet {223,
	title = {The genus Alocasia (Araceae-Colocasieae) in the Philippines. Gardens Bull. Singapore},
	volume = {51},
	year = {1999},
	abstract = {1 - 41.},
	author = {Hay, Alastair}
}
