Pimentel, David .
Hand book of energy utilization in agriculture / Textual Documents David Pimentel. - Bocaratton : CRC Press Inc. , 1925. - 475 ; .
0 8493 2661 3
028.7163 / PIM/HA
Hand book of energy utilization in agriculture / Textual Documents David Pimentel. - Bocaratton : CRC Press Inc. , 1925. - 475 ; .
0 8493 2661 3
028.7163 / PIM/HA