NTRS

 

NASA-Report-1-A-Method-of-Predicting-the-Optimum-Lunar-Landing-Area-for-a-Manned-Spacecraft-Center-prepared-by-Hector-R-Rojas-for-NASA-Manned-Spacecraft-Center-MSC-Houston-Texas-USA-1966

 

 

 

NASA-Report-2-First-application-of-the-successive-transformation-method-prepared-by-Hector-R-Rojas-for-NASA-Manned-Spacecraft-Center-MSC-Houston-Texas-USA-1967

 

 

 

NASA-Report-3-Second-Application-of-the-Successive-Transformations-Method-to-Predict-the-Safest-Lunar-Landing-Site-for-an-Astronaut-prepared-by-Hector-R-Rojas-for-NASA-Manned-Spacecraft-Center-MSC-Houston-Texas-USA-1967