BrownG. T.: Powder Metall., 1971, 14, (27), 124–143.
2.
BockstiegelG.: Powder Metall. Int., 1974, 6, 116-200 and 172-178; 7, 8-10.
3.
AntesH. W.: in ‘Modern developments in powder metallurgy’, Vol. 4, 415-424; 1971, New York, Plenum.
4.
StandringP. M. and APPLETONE.: Chart. Mech. Eng., 1979, 26, (4), 44–50.
5.
StandringP. M. and APPLETONE.: J. Mech. Work. Technol., 1980, 4, 7–29.
6.
EvansD., HAwKYARDJ., and DAVIEST. J.: Powder Metall. In:. 1977, 9, 174–176.
7.
KotschyJ.and Z. hIARCINIAK:Mt. J. Powder Metall. Powder Technol., 1973, 9, 135–137.
8.
KotschyJ., MARCINIAKZ., and SOBCZYKM.: In:. J. Powder Metall. Powder Technol., 1976, 12, 5–7.
9.
KotschyJ. and MARCINIAKZ.: Metalurgia. (Polska Akademia Nauk-Oddzial W Krakowie), 1976, 24, 75–78.
10.
OgrodnikJ. and KARPINSKYT.: Powder Metall. In:., 1977, 9, 133–135.
11.
MasseyH. F.: British Patent Specification 319065, 1929.
12.
TomkinsD. W. and COLEMAND. S.: Powder Metall., 1976, 19, 53–59.
13.
W. A. ‘Gear design’;1962, Brighton, MachineryPublishing Co.
14.
LeheijpE. R., MOONJ. R., and STANDRINGP. M.: Proc. 2nd Int. Cord’. on ‘Rotary metalworking processes’, 113-123; 1982, Bedford, IFS Publications.
15.
SalakA., v. miDUDROVASKOVIC E., and RUDNAYOVAE.: Powder Metall. Int., 1974, 6, 128–132.
16.
JamesP. J.: Powder Metall. In:. 1972, 4, 1–12.
17.
AntesH. W.: cited by J. J. Burke and V. Weiss in Proc. 18th Sagamore Army Materials Research Conference, 171-210; 1972, Syracuse, Syracuse University Press.