Vol.10 No.4 July, 1999
Contents
Preface
Making Systems based on Our Mutual Understanding----Miyoko Matsuda 261

Special Issues: Endocrine Disrupting Chemicals
Bioassay for Endocrine Disrupting Chemicals----Hideo Utsumi, Kazuhiro Ichikawa and Tsuyoshi Murahashi 263 abst
The Effect of Endocrine Disrupting Chemicals on theMale Reproductive System----Ken Takeda 271 abst
Effects on Wildlife Exposed to Endocrine Disrupters with Special Reference to Fishes----Akihiko Hara 278 abst
Endocrine Disrupters in Water----Yasumoto Magara and Motoyuki Kamata 288 abst
Endocrine Disrupters in the Leachate from Waste Disposal Sites----Hiroaki Shiraishi, Osami Nakasugi, Shunji Hashimoto, Takasi Yamamoto, Akio Yasuhara and Kenji Yasuda 293 abst

Review
Energy, Resources and Solid Waste----Nobuo Takeda 306 abst

Report
Bio-waste Treatment by Using Biological Functions in Germany----Kiyoshi, Kawamura, Yuzo Inoue, Masahiro Ohsako and Masato Yamada 317 abst