Zierer Ernesto. The Qualifying Adjective in Spanish

De Gruyter Mouton, 1974. — 56 p.Preface.
Introductory note: System and structure.
Classification of the qualifying adjectives as to the type of complement by which they may be followed.
Noun adjectivals.
The linking verbs "ser" and "estar".
On the convertibility of certain adjectives into adverbs (of manner).
Gradable and ungradable adjectives.
Further syntactic differentiation.