au.\*:("HELGESON G")
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DESCRIPTION AND INTERPRETATION OF PHASE RELATIONS IN GEOCHEMICAL PROCESSES INVOLVING AQUEOUS SOLUTIONS.HELGESON G.1970; AMER. J. SCI.; USA; 1970(5), VOL. 268, NUM. 0005, P. 415 A 438Miscellaneous
Fungicide spray decision for wheat leaf rustSTATLER, G; HELGESON, G.North Dakota farm research. 1988, Vol 45, Num 6, pp 14-16, issn 0097-5338Article
A comparison of cuticle deposition during the pre- and posteclosion stages of the adult weevil, Anthonomus grandis boheman (Coleoptera : Curculionidae)LEOPOLD, R. A; NEWMAN, S. M; HELGESON, G et al.International journal of insect morphology & embryology. 1992, Vol 21, Num 1, pp 37-62, issn 0020-7322Article