| #5831 | R & D management. -- Oxford : Basil Blackwell, 1970-. -- ISSN 0033-6807 print. -- ISSN 1467-9310 online |
| #5832 | R.F. design : engineering principles and practices. -- Atlanta : Argus Business, 1978-. -- ISSN 0163-321X |
| #5833 | RAC. -- Croydon : Emap Maclaren, 1991-. -- ISSN 1460-9878 |
| #5834 | RAC. Refrigeration, air conditioning & heat recovery. -- Croydon : Maclaren Publishers, 1981-1988. -- ISSN 0263-5739 |
| #5835 | Rada pro rozhlasové a televizní vysílání. -- Česká republika : [Praha] :Rada pro rozhlasové a televizní vysílání, 1990- |
| #5836 | RadCom. -- Potters Bar : Radio Society of Great Britain, 1995-. -- ISSN 1367-1499 |
| #5837 | Radio : Ježemesjačnyj naučno-populjarnyj radiotechničeskij žurnal. -- Moskva : Radio, 1924-. -- ISSN 0033-765X |
| #5838 | Radio. -- Praha : FCC Public, 1998-1999. -- ISSN 1212-0804 |
| #5839 | Radio communication. -- London : Radio Society of Great Britain, 1968-1994. -- ISSN 0033-7803 |
| #5840 | Radio control models & electronics. -- Hemel Hempstead, Herts : Model & Allied Publications, 1960-1986. -- ISSN 0033-7838 |