by the Writing Team for the Chemical Technician Curriculum Project ; edited by Robert L. Pecsok, Kenneth Chapman and Wade H. PonderAmerican Chemical Society1975
by the ChemTeC Project Writing Team ; edited by Robert L. Pecsok, project director ; Kenneth Chapman and Wade H. Ponder, asociate project directorsAmerican Chemical Society1972
全国の図書館
著者標目Pecsok, Robert L. Chapman, Kenneth Ponder, Wade H.