@book{6058128,
	author = {Марков, Н.Е. and Тренкеншук, Е.Т.},
	title = {Экономят рабочее время},
	publisher = {Алт. кн. изд-во},
	year = {1981},
	series = {Трудовые ресурсы},
	address = {Барнаул}
}