Roth, Lawrence O. books & textbook
Introduction to Agricultural Engineering: A Problem Solving Approach
Field, Harry L. Roth, Lawrence O.
Springer /1992-02-29 Paperback / 346 Pages
isbn-10: 0834213087 / isbn-13: 9780834213081
An introduction to agricultural engineering
AVI Pub. Co /1975T Hardcover / 356 Pages
isbn-10: 0870551914 / isbn-13: 9780870551918
