by Porritt, S. E.;
by Porritt, S. E.;
Year: 1985, Callno: P631.51:631.544.72 POR
Pamphlet
by Thomason, E.; Porritt, S. E.;
Callno: 05:63(941)
Journal
by Porritt, S. E.; Dryland Research Institute (W.A.);
Year: [1986], Callno: 631.51:633.367(941) POR [Q]
Book
by Porritt, S. E.; Western Australia. Dept. of Agriculture Albany Regional Office.;
Year: 1995., Callno: 635.7:338(94) HER [Q]
Book
by Western Australia. Dept. of Agriculture.; Stoneman, T. C.; Porritt, S. E.;
Year: 197-?], Callno: 631.474(941) AGR [PQ]
by Humphry, M. G.; Rowley, E. E.; Porritt, S. E.; Western Australia. Dept. of Agriculture.;
Year: [1983], Callno: 631.459.3 ROW [Q]
Book
by Western Australia. Dept. of Agriculture.; Rowley, E. E.; Porritt, S. E.; Nash, P. M.;
Year: 1990., Callno: 377(94) POR [PQ]
Book
by Western Australia. Agriculture Western Australia.; Western Australia. Dept. of Agriculture.; Porritt, S. E.;
Callno: 631.47(941) POR [Q]
Book