by NECKERMANN E,US, HAMMER J,US
Year of Publication 11.06.1974

by CHANNIN D,US, HAMMER J,US
Year of Publication 29.05.1973

by ENGH J,US, ULLMER R,US, BEAN D,US, TASHJIAN H,US, IGEL J,US, SCHETTL M,US, HAMMER J,US
Year of Publication 16.10.1973