- Libro electrónicoStructural Analysis Of The New Formulae On Gravity And RepulsionZhenzhi Feng
- Libro electrónicoApple Of The Sun - The Argument For The Universal Gravitational 'Constant' Not Being ConstantZhenzhi Feng
- Libro electrónicoAn Interpretation of Gravitational Anomaly Using New Formulae On Gravity And RepulsionZhenzhi Feng