A XIII. Orszagos Tudomanyos Diakkori Konferencia Termeszettudomanyi Szekciojanak eloadasai
Subtitle: 1977. aprilis 6-8
Publisher: [s.n
Published: 1977
Language: hun
Format: Unknown Binding
ISBN-13: 9789634610878
Subjects: Environmental protection; Mathematics; Physics; Biology; Geology; Abstracts