Groh, H. (2004). Explosion protection: Electrical apparatus and systems for chemical plants, oil and gas industry, coal mining (1a. ed.). Elsevier Butterworth-Heinemann.
Chicago-viite (17. p.)Groh, Heinrich. Explosion Protection: Electrical Apparatus and Systems for Chemical Plants, Oil and Gas Industry, Coal Mining. 1a. ed. Oxford: Elsevier Butterworth-Heinemann, 2004.
MLA-viite (9. p.)Groh, Heinrich. Explosion Protection: Electrical Apparatus and Systems for Chemical Plants, Oil and Gas Industry, Coal Mining. 1a. ed. Elsevier Butterworth-Heinemann, 2004.
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