Pengaruh Alelopati Imperata Cylindrica terhadap pembentukan Mikoriza dan pertumbuhan bibit Pinus Merkusit = Allelopathic effects of Imperata Cylindrica on the development of mycorrhiza and on the growth of Pinus Merkusii - Perpustakaan UGM, i-lib ([Yogyakarta] : Universitas Gadjah Mada, 1993)