by HIGGENS C,US, HAMILL R,US
Year of Publication 12.11.1974

by HIGGENS C,US, MARTIN W,US
Year of Publication 24.09.1974

by HIGGENS C,US, NAGARAJAN R,US, GORMAN M,US
Year of Publication 02.04.1974

by HIGGENS C,US, HOEHN M,US, HAMILL R,US
Year of Publication 06.03.1973

by HAMILL R L,US, HIGGENS C E,US, HOEHN M M,US
Year of Publication 27.12.1973