Hafting, Finn K.; Kulas, Daniel; Michels, Etienne; Chipkar, Sarvada; Wisniewski, Stefan; Shonnard, David; Pearce, Joshua M. (2023-12-05). "Modular Open-Source Design of Pyrolysis Reactor Monitoring and Control Electronics" (in en). Electronics12 (24): 4893. doi:10.3390/electronics12244893. பன்னாட்டுத் தர தொடர் எண்:2079-9292.
Kuphaldt, Tony R. "Chapter 6 LADDER LOGIC". Lessons In Electric Circuits -- Volume IV. Archived from the original on 12 September 2010. Retrieved 22 September 2010.
Kuphaldt, Tony R. "Chapter 6 LADDER LOGIC". Lessons In Electric Circuits -- Volume IV. Archived from the original on 12 September 2010. Retrieved 22 September 2010.
Hafting, Finn K.; Kulas, Daniel; Michels, Etienne; Chipkar, Sarvada; Wisniewski, Stefan; Shonnard, David; Pearce, Joshua M. (2023-12-05). "Modular Open-Source Design of Pyrolysis Reactor Monitoring and Control Electronics" (in en). Electronics12 (24): 4893. doi:10.3390/electronics12244893. பன்னாட்டுத் தர தொடர் எண்:2079-9292.