Moravek Endre: Index acronymorum selectorum. Pars 6. Instituta oeconomica (A MTAK kiadványai 57. Budapest, 1968)
SPIA S.P.I.D. SPIE SPKC S.P1. SP11A SPMI SPNR S.P.O.A. S.P.O.E.I. apóidz. SFOll Spowa S P P sppq S.P.P.F.T.O. SPH S.P.R.L. SPS SPT SPTR y TV 8.P.V. SPWA SPWLA SPZ S P Z S P Z B SR 4, Societá per la Pubblicitá in Italia, R-Mi /i/ 5. Society of the Plastica Industry, ATS/ /e/ Solid Propellant Information Agency /e/ Service de la Propriótó Industrielle et de la Documenta\-ion /Soo.Philips/, P /f/ 1. Secrótariat Professionnel International de l'Enseignement /f/ 2. Society of Photographic Instrumentation Engineers, Redondo Beaoh /e/ Soall Pig Keepera* Counoil, Henley-on-Thames /e/ Serviqoa de Plánejámento /p/ 1. Sewage Plánt Manufacturers* Aasociation, L /e/ 2. Shoe Pattern ^nufaoturers * Association, Boston /e/ 3. Soda Pulp Manufacturers' Association, /US/ /e/ 4. Sulphite Paper Manufacturers* Assooiation /e/ 5. Sump Pump Manufacturers' Association, /US/ /e/ Southeastern Pine Marketing Institute, Sayannah /e/ Sooiety for the Promotion of Nature Keserves, /GB/ /e/ Sooiety of Progressive Oral Advooates /e/ Society of Post Office Engineering Inspeotora, L /e/ spóldzielczat apóidzielnia /po/ Staaica Poljoprivrednih Orudja i MaSina /h/ Sport- und Wanderbedarf GmbH /d/ Stoleozna Przetwórnia Papiernioza /po/ Section de Péche et Pisoioulture du Oameroun, Yaoundé /£/ Société Profeasionnelle des Produits Franpais de Terre Cuite, P /f/ 1. Svenska Pálsdjuravlares Riksförbundet /s/ 2. Sveriges Páladjursuppfödares Riksförbundet /s/ 3. Syndicat Patronal Régiónál /f/ Soolété de Fersonnes á Responsabilité Limltóe /f/ Society of Pelvio Surgeona, /US/ /e/ Society of Photo-Technologists, Englewood /e/ Sindioato Profesional de Trabajadores de Radio y Television, Oaracas /es/ Schweizerischer Posthalter-Verband /d/ Steel Products Warehouse Association, /US/ /e/ Sooiety of Professional Well Log Analysts, Tulsa /e/ Svaz Praoovníku v Zem8d£lství /&/ Slavonako-podravska Vicinalna Zeleznlca /h/ Sosnowieckie Przemyslowe Zjednoozenie Budowlane /po/ 1, Smábrukarnas Riksförbundet /a/ 2, Statstjánstemánnena Riksförbundet /a/ 313
