Stelar Morphology and the Primary Vascular System of Seed PlantsCharles B. Beck, Rudolf Schmid and Gar W. Rothwell · Botanical Review · 1982

Stelar Morphology and the Primary Vascular System of Seed Plantsby C. B. Beck; R. Schmid; G. W. RothwellReview by: P. B. Tomlinson · Taxon · 1984

Stelar Morphology and the Primary Vascular System of Seed PlantsCharles B. Beck, Rudolf Schmid and Gar W. Rothwell · Botanical Review · 1982

Objective Science or Evolutionary Speculation? A Reply to P. B. TomlinsonGar W. Rothwell, Charles B. Beck and Rudolf Schmid · Taxon · 1985