@book{66176,
	author = {Sugondo, R. M. G.},
	title = {Ilmu bumi militer Indonesia,},
	publisher = {Pembimbing},
	year = {[1954]},
	address = {Djakarta,},
	edition = {Tjet. 2.},
	note = {Vol. 2: tjet. 1}
}