Other Forms of Name	Ruoppa, Mar'â Руоппа, Марья
Identifiers	0000000033595611 (isni) http://urn.fi/URN:NBN:fi:au:finaf:000145176 (finaf)
Sources	Biologičeskie metody issledovaniâ vodoemov v Finlândii, 2006: t.p. (Mar â Ruoppa)