@inbook {283,
	title = {Amphibia},
	booktitle = {Cytotaxonomy and Vertebrate Evolution},
	year = {1973},
	publisher = {Academic Press},
	organization = {Academic Press},
	address = {London \& New York},
	author = {Morescalchi, A.},
	editor = {Chiarelli, A.B. and Capanna, E.}
}
@article {284,
	title = {Karyology of the main groups of African frogs},
	journal = {Monitore zoologico italiano},
	volume = {4},
	year = {1981},
	pages = {41-53},
	keywords = {Petropedetidae, Phrynobatrachus},
	author = {Morescalchi, A.}
}
@inbook {285,
	title = {Cytogenetics and the problem of Lissamphibian relationships},
	booktitle = {Cytogenetics of Amphibians and Reptiles},
	year = {1990},
	pages = {1-20},
	publisher = {Birkha{\"u}ser Verlag},
	organization = {Birkha{\"u}ser Verlag},
	address = {Basel},
	author = {Morescalchi, A.},
	editor = {Olmo, Ettore}
}
