@book{8015718,
	author = {Bajunčikov, V. A.},
	title = {Diamond bits for drilling for hard mineral resources},
	publisher = {[s.n.]},
	year = {1981},
	address = {Мoscow},
	note = {В надзаг.: UN Econ. commiss. for Asia and Oceania and State comm. of the USSR for external econ. relations}
}