Harrison، Mark (22 فبراير 2013). "Physical collisions and the maximum power theorem: an analogy between mechanical and electrical situations". Physics Education. ج. 48 ع. 2: 207–211. DOI:10.1088/0031-9120/48/2/207. ISSN:0031-9120.
Atkin، Keith (22 أغسطس 2013). "Energy transfer and a recurring mathematical function". Physics Education. ج. 48 ع. 5: 616–620. DOI:10.1088/0031-9120/48/5/616. ISSN:0031-9120.
Harrison، Mark (22 فبراير 2013). "Physical collisions and the maximum power theorem: an analogy between mechanical and electrical situations". Physics Education. ج. 48 ع. 2: 207–211. DOI:10.1088/0031-9120/48/2/207. ISSN:0031-9120.
Atkin، Keith (22 أغسطس 2013). "Energy transfer and a recurring mathematical function". Physics Education. ج. 48 ع. 5: 616–620. DOI:10.1088/0031-9120/48/5/616. ISSN:0031-9120.