共 50 条
- [21] THE FUTURE-NEEDS OF THE CHOCOLATE INDUSTRY 10TH INTERNATIONAL COCOA RESEARCH CONFERENCE: THEME : RATIONALIZATION OF COCOA CULTURE AND THE DEVELOPMENT OF MORE EFFICIENT CROPPING SYSTEMS, 1988, : 741 - 744
- [30] RADIATION PROTECTION - PAST AND FUTURE-NEEDS RADIATION PROTECTION - THEORY AND PRACTICE, 1989, : R19 - R23