00000cam a22000007i 4500 ocm65061881 OCoLC 20250620013657.3 900403s1935 ne m 000 0 eng d NLGGC dut fobidrtb NLGGC NETUE WURST OCLCL OCLCQ 989634089 NLGGC 061017663 (OCoLC)65061881 (OCoLC)989634089 eng Vermeulen, D. (Dirk), natuurkundige. https://id.oclc.org/worldcat/entity/E39PBJfRF4kQ6Vvdhwx7XbXfMP An accurate method for the relative measuring of spectral intensities : with an application to the determination of Planck's constant C-2- / by Dirk Vermeulen. Amsterdam : Noord-Hollandsche Uitgeversmaatschappij, 1935. X, 60 p. : ill. ; 25 cm. tekst txt rdacontent/dut zonder medium n rdamedia/dut band nc rdacarrier/dut Proefschrift Utrecht. fotometrie photometry optica optics Physics (General) Fysica (algemeen) PhD thesis An accurate method for the relative measuring of spectral intensities (Text) https://id.oclc.org/worldcat/entity/E39PCFH3J4gwFyGj4869rCB4C3 https://id.oclc.org/worldcat/ontology/hasWork BATCHLOAD