Dissertatio physica, animadversiones in theoriam et experimenta cel. Du Tour de diffractione luminis continens, cujus partem primam, cons. ampliss. facult. philos. Aboens. Publico examini subjiciunt Petrus Ekenvall phil. mag. et Petrus Andreas Hellzén, Angermannus. In aud. majori die XVI Novemb. MDCCCIII. Horis a. m. consvetis 1

Förlag	År	Ort	Om boken	ISBN
	1803	Finland, Aboæ, typis Frenckellianis	[2], 14 sidor., [1] pl.-bl. 4:o