00497nam a22001577a 4500 230405b |||||||| |||| 00| 0 eng d National Science Library National Science Library 061.1(410):5/6.001.5 K2 Melville, Harry 6240 Department of scientific and industrial research London: George Allen & Unwin Ltd., 1962 200p. The new whitehall series No. 9 Science udc BK 18261 18261 0 0 udc 0 0611410560015_K2 0 27096 NSL NSL GF/Rk-4/C-23/R-1 1967-05-01 0 061.1(410):5/6.001.5 K2 20182 2023-04-05 00:00:00 1967-05-01 BK