蓋巴爾德 ((Gabbard, C. Bryan(Claybourne Bryan))

太空 : 國力的新選擇 by: Gabbard, Claybourne Bryan; Johnson, Dana J.; Pace, Scott; United States; 余忠勇; 佩斯 ((Pace, Scott) ); 強生 ((Johnson, Dana J.) ); 蓋巴爾德 ((Gabbard, C. Bryan(Claybourne Bryan)); 賈巴德 ((Gabbard, C. Bryan(Claybourne Bryan) ) (Language materials, printed)