"watts, b d. "
in process materials handling: / b.d. watts - 1 ed. - uk : i.p.e. 1978. - ", 0p.; 29 cm."
--
658. 5 web
in process materials handling: / b.d. watts - 1 ed. - uk : i.p.e. 1978. - ", 0p.; 29 cm."
--
658. 5 web