Vibrations and sound.

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: MORSE, Philip M.
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: New York, McGraw-Hill; 1948.
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!