Seperation and purification.

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Hōputu: Pukapuka
I whakaputaina: New York, Interscience, 1956.
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!