[…] linking is effected whenever signs are conjoined in a grammatical combination.- Weinreich (1963), a pag.136
It is possible to show that linking occurs on various levels.- Weinreich (1963), a pag.131
n. 31 [...] Writing "Lk" for "linking" [...] we define, for any formula "φ( 'f', . . . .)", Lk ( 'φ', 'f') = Df (Ǝ z) φ('z') • f('z') [...].- Weinreich (1963), a pag.158