19,3=50; 19,4=51; 24,4a=75; 50,5=157 von: Engineering Experiment Station (West Lafayette, Ind.): Research series
23,4=25; 46,6=48; 47,5=49; 48,4=50; 50,4=52; 51,5=53; 53,1=54; 53,3=55 von: Road School: Proceedings of the Annual Road School
52,4=10 von: Seminar on Plastics for Tooling: Annual Seminar on Plastics for Tooling
17,4=31; 17,5=32; 17,6=32a; 18,4=34; 19,1=35; 23,3=43; 23,4=44; 30,2=66; 33,4=68; 34,4=72; 36,6=79; 38,1=83; 39,2=87; 40,1=89; 41,2=91; 42,3=94; 43,3=96 von: Extension series
30,2=2; 31,6=3; 33,4=4; 34,4=5; 35,5=6; 36,6=7; 38,1=8 u.a. von: Industrial Waste Conference: Proceedings of the ... Industrial Waste Conference (ISSN: 0073-7682)
44,5=104; 46,6=111; 47,5=113; 48,4=116; 50,4=123; 51,5=128; 53,1=131; 53,3=133 von: Engineering extension series (ISSN: 0079-8088)
23,2a=2 von: Highway research bulletin
23,3=3 von: Personnel bulletin
