O. Jacobi

The origin of roof falls in starting faces with the caving system

O. Jacobi, 1964 .

Automation of face supports for better roof control

O. Jacobi, 1966 .

The increase of roof flaking in longwall faces as a result of working under pillar edges and of abutment pressure of adjacent workings

O. Jacobi, 1966 .

Development of a micro annular gear pump by micro powder injection molding

Volker Piotter, O. Jacobi, Robert Ruprecht, 2004 .

A review of current trends in terrain modelling

O. Jacobi, P. Frederiksen, K. Kubik, 1985 .