Embedde minimal annuli in R3 bounded by a pair of straight lines. H. Karcher; H. Rosenberg; D. Hoffman — 1991 Commentarii mathematici Helvetici
Embedded minimal surfaces with an infinite number of ends. M. Callahan; D. Hoffman; W.H. Meeks — 1989 Inventiones mathematicae
The structure of single-periodic minimal surfaces. M. Callahan; D. Hoffman; W.H. Meeks — 1990 Inventiones mathematicae
The strong halfspace theorem for minimal surfaces. D. Hoffman; W.H. III. Meeks — 1990 Inventiones mathematicae