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1प्रकाशित 1995विषय “...Timberlands West Coast....”
पुस्तक -
2प्रकाशित 1988विषय “...Flood control New Zealand East Coast (North Island)...”
पुस्तक -
3प्रकाशित 1994विषय “...East Coast Forestry Project....”
पुस्तक