Peter. K. Johnson, Progress in Powder Metallurgy, Compiled By: Joseph M. Capus & Donald L. Dyke, Metal Powder Industries Federation, 105 College Road East, Princeton, NJ 08540-0669, Volume 37, Pages 411-417,

Peter K. Johnson, Progress in Powder Metallurgy, Compiled By: James G. Bewley & Sherwood W. McGee, Metal Powder Industries Federation, 105 College Road East, Princeton, NJ 08540-0669, Volume 38, Pages 627-634,

Peter K. Johnson , Progress in Powder Metallurgy, Compiled By: Harb S. Nayar, Sydney M. Kaufman & Kenneth E Meiners, Metal Powder Industries Federation, 105 College Road East, Princeton, NJ 08540-0669, Volume 39, Pages 683-688,

P.K. Johnson, Modern Developments in Powder Metallurgy, Compiled By: Edward N. Aqua & Charles I. Whitman, Metal Powder Industries Federation, 105 College Road East, Princeton, NJ 08540-0669, Volume 15, Pages 807-819,

Peter K. Johnson, Progress in Powder Metallurgy, Compiled By: Howard I. Sanderow, Wayne L. Giebelhausen & Kishor M. Kulkarni , Metal Powder Industries Federation, 105 College Road East, Princeton, NJ 08540-0669, Volume 41, Pages 865-869,

Peter K. Johnson, Progress in Powder Metallurgy, Compiled By: Earl A. Carlson & Gary Gaines, Metal Powder Industries Federation, 105 College Road East, Princeton, NJ 08540-0669, Volume 42, Pages 791-799,

Peter K. Johnson, International Journal of Powder Metallurgy, Compiled By: Alan Lawley, APMI International, 105 College Road East, Princeton, NJ 08540-0689, Volume 40, Pages 21-26,

Peter K. Johnson, International Journal of Powder Metallurgy, Compiled By: Alan Lawley, APMI International, 105 College Road East, Princeton, NJ 08540-0687, Volume 42, Pages 17-21,

Peter K. Johnson, International Journal of Powder Metallurgy, Compiled By: Alan Lawley, APMI International, 105 College Road East, Princeton, NJ 08540-0686, Volume 43, Pages 17-24,

Peter K. Johnson, International Journal of Powder Metallurgy, Compiled By: Alan Lawley, APMI International, 105 College Road East, Princeton, NJ 08540-0689, Volume 44, Pages 21-26,