1. Cenyaev IA (1983) Piston cradle pumps Machine-state, Leningr. otd-nye, p 156
2. Parfyonov EP (1972) Production definition of piston-like mortar pumps. Meh. tools and otdelochnye machines: Inform. nauchn.-techn. – Vip.4. CNIITEStroymash, pp 12–13
3. Onishchenko OG (2000) Interaction of the mortar valve ball with the flow of pumped solution/ Onishchenko OG, Vasilyev AV, Korobko BO. Car transport: Sat. nauchn. Labor/Harkov state motor vehicle and road technical university. – Release 5/Universal machines for earthlings and roadworks. Harkov: KSTU, pp 116–118
4. Onishchenko OG (2000) Interaction of the mortar valve ball with the flow of pumped solution/Onishchenko OG, Vasilyev AV, Korobko BO. Automo-bull transport: Sat. nauchn. labor/Harkov state motor vehicle and road technical university. Release 5/Universal machines for earthlings and roadworks. Harkov: KSTU, pp 116–118
5. Mortelpumpen und ihre Entwicklung. Fordern und Heben (1969). № 15. (FRG) 8. EP 0200026, INT. Cl. 4 F 04 B 43/12, 15/02. Pumpe neumuller Walter, Sturmer Gerhard. 10.12.1986. Patentblatt 86/45