Snelders، H. A. M. (1971). "J. S. C. Schweigger: His Romanticism and His Crystal Electrical Theory of Matter". Isis. ج. 62 ع. 3: 328. DOI:10.1086/350763. JSTOR:229946.
Snelders، H. A. M. (1971). "J. S. C. Schweigger: His Romanticism and His Crystal Electrical Theory of Matter". Isis. ج. 62 ع. 3: 328. DOI:10.1086/350763. JSTOR:229946.