@book{82677,
	author = {Razumovskij, A. V. and Gusev, S. I.},
	title = {Èkonomika promyšlennosti stroitel΄nyh materialov},
	publisher = {Strojizdat},
	year = {1978},
	address = {Moskva},
	note = {Donaţie de Ion Şpac}
}