communications of the "van der waals-fund" On discontinuities in the energy and the specific heat / A. Bijl 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 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 Onze Indische financien / E. de Waal : II: Eindcijfers : bijdragen aan het moederland, hoofdbestuur, landmacht Onze Indische financien / E. de Waal : IV: Zeemacht en aanverwante zaken. [Bestuur, regeling, kosten en toestand der zeemacht. Nederlandsche oorlogsschepen sedert 1830. Geschiedenis … mitteilungen des "van der waals-fonds" Isothermenmessungen von Wasserstoff zwischen 0ÿê und 100ÿê C bis 1000 Atmosphären / A. Michels, G.P. Nijhoff und A.J.J. Gerver S.J. communications of the "van der waals-fund" method for measuring the dew point of natural gases / A. Michels and G.W. Nederbragt communications of the "van der waals-fund" dielectric constant of hydrogen at pressures up to 1425 atm., and at temperatures of 25ÿê C and 100ÿê C / A. Michels, P. Sanders and …