59

Structural and vibrational model for vitreous boron oxide

Year:
1991
Language:
english
File:
PDF, 348 KB
english, 1991
67

Pollen morphology in Sicydium (Cucurbitaceae, Zanonioideae)

Year:
1998
Language:
english
File:
PDF, 1.15 MB
english, 1998