Dissertatio physica de diffractione luminis. Cujus partem primam, cons. ampl. facult. philos. Aboëns. publico examini subjiciunt mag. Petrus Ekenvall, physices docens [et] Jonas Forsstedt, Medelpadus. In aud. physic. die IV Aprilis MDCCCVII. h. a. m. c
Dissertatio physica de diffractione luminis. Cujus partem primam, cons. ampl. facult. philos. Aboëns. publico examini subjiciunt mag. Petrus Ekenvall, physices docens [et] Jonas Forsstedt, Medelpadus. In aud. physic. die IV Aprilis MDCCCVII. h. a. m. c
Dissertatio physica de diffractione luminis. Cujus partem primam, cons. ampl. facult. philos. Aboëns. publico examini subjiciunt mag. Petrus Ekenvall, physices docens [et] Jonas Forsstedt, Medelpadus. In aud. physic. die IV Aprilis MDCCCVII. h. a. m. c
Dissertatio physica de diffractione luminis. Cujus partem primam, cons. ampl. facult. philos. Aboëns. publico examini subjiciunt mag. Petrus Ekenvall, physices docens [et] Jonas Forsstedt, Medelpadus. In aud. physic. die IV Aprilis MDCCCVII. h. a. m. c
Dissertatio physica de diffractione luminis. Cujus partem primam, cons. ampl. facult. philos. Aboëns. publico examini subjiciunt mag. Petrus Ekenvall, physices docens [et] Jonas Forsstedt, Medelpadus. In aud. physic. die IV Aprilis MDCCCVII. h. a. m. c
Dissertatio physica de diffractione luminis. Cujus partem primam, cons. ampl. facult. philos. Aboëns. publico examini subjiciunt mag. Petrus Ekenvall, physices docens [et] Jonas Forsstedt, Medelpadus. In aud. physic. die IV Aprilis MDCCCVII. h. a. m. c