00737cam a2200265 4500 3158923 BD-DhUL 20190207101231.0 700115s1969 enkaf b 001 0 eng 74438816 B69-22032 DLC DLC DLC BD-DhUL QB47 .R65 523 ROI Ronan, Colin A. Invisible astronomy / Colin A. Ronan; foreword by Fred Hoyle. London : Eyre & Spottiswoode, c1969. xvi, 173 p. : 16 plates, illus. ; 23 cm. GBP 2.10 Bibliography: p. 165. Radio astronomy. Nuclear astrophysics. Stars Spectra. ddc BK 9487 9487 0 0 ddc 0 523_000000000000000_ROI 0 NFIC 16851 DUSL DUSL GEN 1970-08-26 Purchased 523 ROI A73253 2014-09-10 2014-09-10 BK