@book{8453198,
	author = {Klečkovskij, V. M.},
	title = {ˆ(‰n+1) rules and their significance for the theory of D. I. Mendeleyev periodic system},
	year = {1965]},
	series = {Abbreviated English translations of scientific papers presented in Russian},
	address = {[M.},
	note = {На обл. только надзаголовок}
}