. . . . "SL-1" . . . . . . . . "SL-1 reactor" . . . "SL-1 experimental reactor accident" . . . "Stationary Low-Power Reactor Number One" . "Argonne Low Power Reactor" . . . . . . . . . . . "SL-1 Experimental Power Station" . . . "SL-1" . . . . "an experimental nuclear reactor design" . . . "SL-1 National Reactor Testing Station" . . . . . .