The handbook for CMAS 1 Star sportsdiver by Danish Sports diver federation. (Dansk Sportsdykker forbund)
The handbook for CMAS 2 Star sportsdiver by Danish Sports diver federation. (Dansk Sportsdykker forbund)
Course manual for introduction in diving with trimixes. The Manual has been published by Danish Sports diver federation. (Dansk Sportsdykker forbund)
The handbook for Nitrox diving published by Danish Sports diver federation. (Dansk Sportsdykker forbund)
The handbook that is the teaching material to CMAS &, gas-blends Service Technician courses.