@misc{LengyelWeichtSchuermann, author = {Lengyel, Dominik and Weicht, Christian and Sch{\"u}rmann, Detlev}, title = {Bundesministerium f{\"o}rdert DIN-Standard f{\"u}r mobile Fahrzeugsperren}, series = {Crisis Prevention}, journal = {Crisis Prevention}, number = {3}, issn = {2198-0527}, pages = {10 -- 13}, language = {de} } @misc{LengyelWeichtSchuermann, author = {Lengyel, Dominik and Weicht, Christian and Sch{\"u}rmann, Detlev}, title = {Zufahrtsschutz Teil 4}, series = {Polizei, Verkehr + Technik : pvt}, volume = {66}, journal = {Polizei, Verkehr + Technik : pvt}, number = {5}, issn = {0722-5962}, pages = {30 -- 32}, language = {de} }