TY  - BOOK
AU  - Helmholtz,Hermann von
AU  - Helmholtz,Olga von
AU  - Kremer,Richard Lynn
TI  - Letters of Hermann von Helmholtz to his wife, 1847-1859
SN  - 3515055835 (Deut. Bibl.)
PY  - 1990///
CY  - Stuttgart
PB  - Franz Steiner
N1  - Text in German; introductory matter and notes in English; Based on mss. housed in the Houghton Library at Harvard; "Biography of Olga (née von Velten) and Hermann Helmholtz" / by Betty Johannes (née von Velten), circa 1902: p. [193]-201
ER  -