@book {16145,
	title = {Bulletin de I{\textquoteright}Academie Imperiale des Sciences de St-Petersbourg},
	volume = {31},
	year = {1887},
	author = {C.J.Maximowicz}
}
@article {16144,
	title = {Bulletin de I{\textquoteright}Academie Imperiale des Sciences de St-Petersbourg},
	volume = {29},
	year = {1884},
	author = {C.J.Maximowicz}
}
