Experiments in Four Dimensions Paperback David L. Heiserman

Logic IC Master Reference Hardcover David L. Heiserman

Build Your Own Working Robot by David L. Heiserman (1976, Hardcover)

Radio Astronomy for the Amateur by David L. Heiserman (1975, TP) NF-

HOW TO BUILD YOUR OWN SELF-PROGRAMMING ROBOT By David L Heiserman - Hardcover VG

_Build Your Own Working Robot by David L. Heiserman (1976, Hardcover)

Programming in Basic for Personal Computers by David L. Heiserman Paperback

Build Your Own Working Robot by David L. Heiserman (1976, Hardcover)