About KALISKA V
About Comenius Univ., Bratislava, CSK
About TOMA S
About Comenius Univ., Bratislava, CSK
About LESKO J
About Slovak Inst. Technology, Bratislava, CSK
About Collection of Czechoslovak Chemical Communications
About chemical synthesis
About piperidines
About Pyridines
About Pyrazines
About Mass spectra of molecules
About ピペリジン
About ピペラジン
About 質量スペクトル