Chemistry of the Soil /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Bear, Firman E.
Hōputu: Pukapuka
I whakaputaina: New Delhi : Oxford & IBH Publishing Co., c1964.
Putanga:2nd ed.
Rangatū:American Chemical Society Monograph Series ; no. 160
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Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!