Stellar Interiors: Physical Principles, Structure, and Evolution, 2004, ISBN 978-0-387-20089-7: «The Proton-Proton Reaction»: «This crucial but as it turns out, unlikely reaction requires that two protons form a coupled system (the "diproton") while flashing past one another and, at practically that same instant, one of these protons must undergo a weak decay»
The Solar InteriorԱրխիվացված 2019-03-29 Wayback Machine / Solar Physics, Marshall Space Flight Center, NASA (անգլ.): «In stars like the Sun … three step process called the proton-proton or pp chain»
The Solar InteriorԱրխիվացված 2019-03-29 Wayback Machine / Solar Physics, Marshall Space Flight Center, NASA (անգլ.): «In stars like the Sun … three step process called the proton-proton or pp chain»
