00635cam a2200229 4500 1564809 BD-DhUL 20190203103847.0 750509s1961 xx 000 0 eng d GAT GAT UKM BD-DhUL 520 CRR .C7 Crowther, J. G. (James Gerald), 1899- Radioastronomy and radar / With line illus. by David D. A. Hardy. London : Methuen, c1958. 143 p. : ill. ; 22 cm. Methuen's outlines Bibliography: p.[61] Radio astronomy. Radar. ddc BK 9445 9445 0 0 ddc 0 520_000000000000000_CRR 0 NFIC 16770 DUSL DUSL GEN 2014-09-10 Purchase 520 CRR A25512 2014-09-10 2014-09-10 BK