00464nam a22001577a 4500 230605b |||||||| |||| 00| 0 eng d 0-250-4009-1 National Science Library National Science Library 614.7:5/6 L5 Krofchak, David 10884 Science & engineering for pollution-free systems Michigan: Ann Arbor Science, 1975 332p. Science udc BK 39331 39331 0 0 udc 0 614756_L5 0 59182 NSL NSL GF/Rk-11/C-19/R-5 1976-04-23 0 614.7:5/6 L5 65854 2023-06-05 00:00:00 1976-04-23 BK