Shop for opi=89978449 https%3A%2F%2Faccounts.google.com%2FServiceLogin%3Fcontinue%3Dhttp%3A%2F%2Fwww.google.de%2Fsearch%253Fq%253Dq%25253Dq%2525253Dhttps%3A%2F%2Fscholar.google.com%2Fscholar_url%252525253Furl%252525253Dhttps%3A%2F%2Flink.springer.com%2Farticle%2F10.1023%2FB%3ACHRO.0000009298.02689.8a%2525252526hl%252525253Den%2525252526sa%252525253DX%2525252526ei%252525253DzUYGZpG6Do-Sy9YP8sWM2Ac%2525252526scisig%252525253DAFWwaea2m3iVPOrNa_LNLrBjxLtG%2525252526oi%252525253Dscholarr%2526sca_esv%253D12ce1543754ec345%2526sca_upv%253D1%2526tbm%253Dvid%2526source%253Dlnms%2526sa%253DX%2526ved%253D0ahUKEwjoiPTyyuOFAxWU8MkDHfp1BCEQ_AUICigD%26hl%3Den