communications of the "van der waals-fund" electrical manometer for pressures up to 3000 atmospheres / A. Michels and M. Lenssen communications of the "van der waals-fund" Dielectric constant of nitrogen uo to 1000 atms. between 25ÿê C and 150ÿê C / A. Michels, A. Jaspers and P. Sanders tertiaire weg / door A. van Linden van den Heuvell communications of the "van der waals-fund" Contribution to the theory of the influence of pressure on the electrical resistance of metals / M.H. Lenssen and A. Michels communications of the "van der waals-fund" Isotherms of CO2 between 0ÿê and 150ÿê and pressures from 16 to 250 atm (amagat densities 18-206) / by A. Michels and C. Michels $ … communications of the "van der waals-fund" Isotherms of methane between 0ÿê and 150ÿêC for densities up to 225 amagat : calculated specific heat, energy and entropy in the same region / … communications of the "van der waals-fund" influence of pressure on the solubility of gases / A. Michels, J. Gerver and A. Bijl Einzelfeuer Uebung Terugblik : toespraak bij de opening der Xe jaarlijksche Algemeene Vergadering / Nederlandsche Weerbaarheids-bond Verslag van het tweede nationaal Congres voor de weerkracht van het Nederlandsche volk, op 24 en 25 september 1920 te 's-Gravenhage Egypt (to day) What about Goa? / Roldaumn