@book{10123962,
	author = {Равкина, Б. and Леонтьев, В. В.},
	title = {Азбука калькуляции},
	publisher = {Акад. изд-во},
	year = {1925},
	series = {Вопр. труда и производства},
	address = {Л.},
	note = {Сер. указана на обл.}
}