<span class="mw-page-title-namespace">Template</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Heitler book44a</span>
Fabrice P. Lauss𝕪’s ℤulu Web

🕮The Quantum Theory of Radiation. W. Heitler. Oxford University Press, 1944.