Apollo CSM modification and operation for lunar orbital science
Apollo 15-17 CSM design modifications, discussing increased mission duration capability, lunar orbital science instruments operation and weight increase
Esenwein, G. F.↗
Engineering topics
Winterhalter, D. L.
Publications and source records attributed to Winterhalter, D. L..
Apollo in lunar orbit
Apollo lunar orbital missions, discussing remote sensing and photographic equipment for lunar sounding and mass spectrometry, gegenschein experiments and high quality metric photography
Esenwein, G. F.↗