Search for Interstellar Furan and Imidazole Dezafra, R. L. ; Thaddeus, P. ; Kutner, M. ; Scoville, N. ; Solomon, P. M. ; Weaver, H. ; Williams, D. R. W. Abstract Publication: Astrophysical Letters Pub Date: January 1972 Bibcode: 1972ApL....10....1D