1999 The Effect of Crown Gall on Tree Growth and Productivity 1999 Olson, Bill, Nadeem Shawareb. 1999.
1999 A Comparison of the Minimum Pruning and the Low-Scaffold Tree Training Systems on Chandler Walnuts - 1999 Olson, Bill, Nadeem Shawareb. 1999.
1999 June-Budded Chandlers on Paradox and Northern California Black Walnut Rootstocks Compared to Grafted Chandlers on Paradox Rootstock - 1999 Olson, Bill, Nadeem Shawareb. 1999.
1999 Walnut Variety Trial and Selection Block at California State University Farm-Chico: 1999 Olson, Bill, Nadeem Shawareb. 1999.
1998 The Effect of Crown Gall on Tree Growth and Productivity and the Success of Surgical Removal of Galls from Three-Year Old Chandler Trees on Paradox Rootstock Olson, Bill, Nadeem Shawareb. 1998.
1998 A Comparison of the Minimum Pruning and the Low-Scaffold Tree Training Systems on Chandler Walnuts Olson, Bill, Nadeem Shawareb. 1998.
1998 June-Budded Chandlers on Paradox and Northern California Black Walnut Rootstock Compared to Grafted Chandlers on Paradox Rootstock Olson, Bill, Nadeem Shawareb. 1998.
1997 A Comparison of Standard Pruning and the Barton (Low Scaffold) System in Chandler Walnuts Olson, Bill, Nadeem Shawareb. 1997.
1997 Yield Comparison Following Various Hedging and Hand Pruning Techniques - 1997 Olson, Bill, Dave Ramos, Jim Yeager, Nadeem Shawareb. 1997.