Physique Pictorial Vol. 27 Jul. 1975 pg. 20
Physique Pictorial Vol. 28 Aug. 1976 pg. 21
Physique Pictorial Vol. 29 Mar. 1977 pg. 19
"Reverse Discrimination" Physique Pictorial Vol. 32 May 1979 pg. 23 (Catalog)
Physique Pictorial Vol. 35 Aug. 1981 pg. 25