Introduction to research on plant diseases : a guide to the principle and practice for studying various plant disease problems
Riker, A.J.
Introduction to research on plant diseases : a guide to the principle and practice for studying various plant disease problems A.J. Riker and Regina S. Riker - New York John S. Swift 1936 - 117 p.; 28cm.
581.2 R45I
Introduction to research on plant diseases : a guide to the principle and practice for studying various plant disease problems A.J. Riker and Regina S. Riker - New York John S. Swift 1936 - 117 p.; 28cm.
581.2 R45I