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by Roberts, B. R.; Soil Conservation Association of Australia.;
Year: 1986., Callno: 241 ROB [Q]
Book
by Roberts, B. R.; University of Southern Queensland.;
Year: [1991?], Callno: 614.841.42:574(943) FIR [Q]
Book
by Roberts, B. R.; Silcock, R. G.;
Year: 1993., Callno: 633.2(943) ROB
Book
by Roberts, B. R. (Brian Ross), 1933-;
Year: 1992.
Book
by Roberts, B. R. (Brian Ross), 1933-;
Year: 1992., Callno: 631.459:631.61(94) ROB
Book
by Schulz, Marie.; Roberts, B. R. (Brian Ross), 1933-;
Year: c1993., Callno: 631.459:631.61(94) ROB
Book
by University of Southern Queensland Land Use Study Centre.; Dorricott, Kay, 1957-; Roberts, B. R.;
Year: 1993., Callno: 631.111(943) DOR
Book
by Darling Downs Institute of Advanced Education Dept. of External and Continuing Education.; Roberts, B. R.;
Year: 1983., Callno: 631.459:631.61(94) ROB [Q]
Book