C. Michael Botterweck ... [et al.] C. Michael Botterweck ... [et al. Michael Archer... [et al.] Michael Beer ... [et al. Michael Beer ... [et al.]. Michael H. Frisch ... [et al. Michael H. Frisch ... [et al.]. Michael Witwer...[et al.] by Michael Gleich...[et al.] by Michael Pecht...[et al.]