by DALTRY, Vaughan D.C., von KNORRING, Oleg
Published in Geologica Belgica (31.01.1998)

by Vaughan, D.C., Tiku, M.L.
Published in Mathematical and computer modelling (01.07.2000)

by Vaughan, D.C
Published in Journal of mathematical analysis and applications (01.01.1982)

by DALTRY, V.D.C
Published in Annales de la Société géologique de Belgique (1992)

by DALTRY, V.D.C, DELIENS, M
Published in Annales de la Société géologique de Belgique (01.02.1994)

by Vaughan, D.C. (International Rice Research Inst., Manila (Philippines)), Muralidharan, V.K
Published in Plant Genetic Resources Newsletter (IBPGR/FAO) (01.09.1988)