DOI,IST REx ID,Title of publication
10.1016/0020-0190(81)90053-3,4132,On the intersection of Orthogonal objects
10.1016/0304-3975(81)90103-1,4133,A space-optimal solution of general region location
null,4332,Hybrid zones and speciation
10.1038/hdy.1981.98,4333,The genetic basis of hybrid inviability between two chromosomal races of the grasshopper Podisma pedestris
 10.1111/j.1558-5646.1981.tb04966.x,3670,A chromosomal cline in the grasshopper Podisma pedestris
10.1038/hdy.1981.86,3671,The width of the hybrid zone in Caledia captiva