TY - JOUR T1 - Seasonal variation in the monoterpenes in needles of Picea abies (L.) Karst. JO - Trees PY - 1990/06/01 AU - Sch�nwitz R AU - Lohwasser K AU - Kloos M AU - Ziegler H ED - DO - DOI: 10.1007/bf00226238 PB - Springer Science and Business Media LLC VL - 4 IS - 1 Y2 - 2025/04/27 ER -