H. A. Engle

Identification and evaluation of educational uses and users for the STS. Educational planning for utilization of space shuttle ED-PLUSS

D. L. Christensen, H. A. Engle, 1974 .

Identification and Evaluation of Educational Uses and Users for the STS. Executive Summary. Educational Planning for Utilization of Space Shuttle (ED-PLUSS). Final Research Report.

D. L. Christensen, H. A. Engle, 1975 .

Educational planning for utilization of space shuttle (ED-PLUSS). Executive summary: Identification and evaluation of educational uses and users for the STS

D. L. Christensen, H. A. Engle, 1975 .

Ewing's sarcoma of the lumbar spine: a case report of long-term survival.

H. A. Engle, L. A. Russin, A. Sonni, 1982, Clinical orthopaedics and related research.