Progress in proctology : proceedings of the 3rd international congress of hedrologicum colegium : October 1968, Erlangen-Nuremberg, Germany /
Piling Practice.
Foundry Practice.
Drilling and Practice /
Basic lubrication practice /
Export practice and documentation.
Modern welding practice.
Practical histochemistry /
Lethal practice /
Practical electronics
Practical pharmaceutical /
The practical dictionary Part II. Hungarian-english
Practicing epidemiology /
Instrument practice.
Practical steeimaking /
Practical Astronomy /
The practical dictionary I English-hungarian
The practical dictionary II Hungarian-english
Practical buddhism. /
Atlas of practical proctology /