Joseph W. Wilkinson ... [et al.] Kenneth W. Clarkson ... [et al.] Anthony A. Atkinson ... [et al.] Ralph E. Mason ... [et al]. Richard E. Dickerson ... [et al.]. = Jan R. Williams ... [et al. Ronald A. Anderson ... [et al.] Walter T. Harrison ... [et al.] James R. Markusen ... [et al.]. Berthold Vocking ... [et al.