Pignotti, A. (1966). Are spin zero mesons bound states of two spin zero mesons?
Cita Chicago Style (17a ed.)Pignotti, Alberto. Are Spin Zero Mesons Bound States of Two Spin Zero Mesons? 1966.
Cita MLA (8a ed.)Pignotti, Alberto. Are Spin Zero Mesons Bound States of Two Spin Zero Mesons? 1966.
Precaución: Estas citas no son 100% exactas.