. "Pauli repulsion" . . . . "exclusion rule" . . . . "Pauli exclusion principle" . . . . "exclusion principle" . . . . "Pauli's exclusion principle" . . . . . . . . . . "Pauli exclusion principle" . . "two bodies cannot occupy the same space at the same time" . . "Pauli principle" . . . "Pauli exclusion" .