Bhalla, Vishal; Khullar, Vikrant; Tyagi, Himanshu: 'Community-level solar thermal systems' (Energy Engineering, 2018), 'Wind and Solar Based Energy Systems for Communities', Chap. 5, pp. 95-117, DOI: 10.1049/PBPO130E_ch5
IET Digital Library, https://digital-library.theiet.org/;jsessionid=n8ji36vupl4b.x-iet-live-01content/books/10.1049/pbpo130e_ch5