-
3 0 0 0 0
Investing in research :a proposal to strengthen the agricultural, food, and environmental system
- 作者: National Research Council (U.S.).
- 出版: Washington, D.C. : National Academy Press 1989.
- 資料類型: 電子書
-
2 0 0 0 0
Lying-in :a history of childbirth in America
- 作者: Wertz, Richard W.
- 出版: New Haven : Yale University Press 1989.
- 資料類型: 電子書