D. C. Sparks

Photovoltaic applications definition and photovoltaic system definition study in the agricultural sector. Volume II. Technical results

R. W. Mengel, T. P. Nadolski, D. C. Sparks, 1980 .

Photovoltaic applications definition and photovoltaic system definition study in the agricultural sector. Volume I. Executive summary

R. W. Mengel, T. P. Nadolski, D. C. Sparks, 1980 .

Photovoltaic Applications Definition and Photovoltaic System Definition Study in the Agricultural Sector: Volume 3, Appendixes

R. W. Mengel, T. P. Nadolski, D. C. Sparks, 1980 .

Photovoltaic applications definition and photovoltaic system definition study in the agricultural sector Task 1 report

R. W. Mengel, T. P. Nadolski, D. C. Sparks, 1978 .