found: His Control valve primer, c1991:CIP t.p. (Hans D. Baumann) about the author (Ph.D. in Mech. Eng. from Columbia Pacific Univ.; currently pres. of H.D. Baumann Ltd., of Portsmouth, NH)
found: Hitler's fate, 2008:t.pp. (H.D. Baumann)
found: Phone call to pub., 08-06-91(Hans D. Baumann, b. 10/12/30)
found: Wikipedia, 15 june 2010:Hans D. Baumann (Dr. Hans D. Baumann, Ph.D., P.E. is an inventor credited with 200 patents; valve specialist, expert on aerodynamic noise of gases; author of Hitler's fate)