Solar Technology applications
Newkirk, Herbert W.
Solar Technology applications a survey of solar powered irrigation systems by Herbert W. Newkirk - Washington, D. C. National Technical Information Service 1978 - 45 p.
Solar Technology applications
631.67:620.91:523.72 / N532S
Solar Technology applications a survey of solar powered irrigation systems by Herbert W. Newkirk - Washington, D. C. National Technical Information Service 1978 - 45 p.
Solar Technology applications
631.67:620.91:523.72 / N532S