Use of extraterrestrial resources for human space missions to Moon or Mars অনুযায়ী Rapp, Donald 1934-

Available for University of the Philippines System via SpringerLink. Click here to access
Also available remotely for University of the Philippines System via SpringerLink. Click here to access thru EZproxy

Human missions to Mars enabling technologies for exploring the red planet অনুযায়ী Rapp, Donald 1934-

Available for University of the Philippines System via SpringerLink. Click here to access
Also available remotely for University of the Philippines System via SpringerLink. Click here to access thru EZproxy

Solar energy অনুযায়ী Rapp, Donald 1934-