20160731 frey50
The Anti-gravity handbook / compiled by D. Hatcher Childress. - Rev. ed. - Stelle, Ill. : Publishers Network/Adventures Unlimited Press, c1993. - 191, [38] p. : ill. ; 26 cm.
Bibliography: p. [197]-[206].
0932813208
Antigravity.
The Anti-gravity handbook / compiled by D. Hatcher Childress. - Rev. ed. - Stelle, Ill. : Publishers Network/Adventures Unlimited Press, c1993. - 191, [38] p. : ill. ; 26 cm.
Bibliography: p. [197]-[206].
0932813208
Antigravity.