Polinosis: Estudio clinico y botanico. Inscribed to Marion B. Sultzberger
Quito, Ecuador: Imp. de la Universidad, 1950. 220pp. Text illustrations. 215 x 154 mm. Original soft covers, front cover lacking. Good copy. More
Quito, Ecuador: Imp. de la Universidad, 1950. 220pp. Text illustrations. 215 x 154 mm. Original soft covers, front cover lacking. Good copy. More