Judson M. Harper Extrusion of Foods - Boca Roton CRC Press Inc 1981 - in 2 Volumes - Vol 2 . Judson M. Harper: Extrusion of Foods. Boca Roton. CRC Press Inc, 1981. 0-8493-5203-3 0-8493-5204-5--(664.024HAR) ENGLISH ISBN: 0-8493-5204-5 Dewey Class. No.: 664.024 / HAR