@misc{indiciaed8f38f0bb5ac, title = {Interstellar silicate absorption bands.}, author = {J A Hackwell and R D Gehrz and N J Woolf}, year = {1970}, doi = {10.1038/227822a0}, url = {https://pubmed.ncbi.nlm.nih.gov/16058162/}, note = {Source identifier: 16058162} }