1. Ligamentous injuries of the canine stiffle joint. A clinical and experimental study;Paatsama;Thesis, Helsinki,1952
2. Kreuzbandverletzungen im Kniegelenk des Hundes;Loeffler;Thesis, Hannover,1963
3. Transposed medial third of patellar ligament in reconstruction of the anterior cruciate ligament. A study in dogs;Alm;Acta Chir Scand,1974
4. A method for replacement of the anterior cruciate ligament of the knee;O'Donoghue;J Bone Joint Surg,1963
5. Repair and construction of anterior cruciate ligament in dogs;O'Donoghue;J Bone Joint Surg,1971