What has the author Carl-Erik Cantell written?

Carl-Erik Cantell has written:

'Studies on the morphology, taxonomy, and larval development of heteronemertines (Nemertina)' -- subject(s): Nemertea

'Some developmental stages of the peculiar Nemertean larva pilidium recurvatum Fewkes from the Gullmarfjord (Sweden)' -- subject(s): Larvae, Nemertea, Platyhelminthes