@book{84133,
	author = {Kang, Biauw Tjwan. and Winaja, Putu Djapa.},
	title = {Penuntun praktikum ilmu tanah,},
	publisher = {Jajasan Penjelidikan Pertanian dan Kehutanan Bogor,},
	year = {1964.},
	address = {Bogor,},
	edition = {Tjet. 1.}
}