Jagd L. The HOTCH-POTCH disk element-finite element for analysis of reinforced concrete disks / L. Jagd, J. Christoffersen, M. P. Nielsen, 1994. - 33 p. - Текст : непосредственный.
Christoffersen J. Ultimate capacity of joints in precast large panel concrete building / J.Christoffersen, 1997. - 228 p. - Текст : непосредственный.
Christoffersen J. HOTCH-POTCH Pladeelementet -Finite element til beregning af armerede betonplader / J.Christoffersen,L.Jagd,M.P.Nielsen, 1993. - 44 s. - Текст : непосредственный.
Jagd L. The HOTCH-POTCH shell element-finite element for analysis of reinforced concrete shells / L.Jagd,J.Christoffersen,M.P.Nielsen, 1994. - 56 p. - Текст : непосредственный.