@base . a ; "0538-821X" ; . a , , ; , , ; "International journal of quantum chemistry." ; ; "0360-8832" ; ; "0538-821X" ; ; "0538-821X" ; ; "0538-821X" ; "International journal of quantum chemistry. Symposium" , "International journal of quantum chemistry." ; . "New York (State)" . . a . a ; . a ; ; "20200812105300.0"^^ ; ; . a , ; "International journal of quantum chemistry. Symposium" . [ ] . a ; "0538-821X" ; .