TY - GENERIC DO - 10.20944/preprints201701.0076.v2 UR - http://dx.doi.org/10.20944/preprints201701.0076.v2 TI - The Spin-Spin Interaction Mechanism between Quarks and Its Impact on the Mass Spectrum of Mesons T2 - Preprints AU - Roza, Engel PY - 2019 DA - 2019/07/10 PB - Preprints