"penner, s s. "
energy:non-nuclear energy technologies: / s.s. penner - 2 ed. - usa : adison-wesley co ltd 1975. - "xxx, 718p.; 24 cm."
0-201-05562-7 hard cover
power(mechanics)--power resources
333. 7 pen
energy:non-nuclear energy technologies: / s.s. penner - 2 ed. - usa : adison-wesley co ltd 1975. - "xxx, 718p.; 24 cm."
0-201-05562-7 hard cover
power(mechanics)--power resources
333. 7 pen