The NSS bulletin :
The NSS bulletin : 1988 : quarterly journal of the National Speleological Society.
National Speleological Society bulletin N.S.S. bulletin
- The Society.
- v. : ill. ; 28 cm.
- Semiannual, 1984-1995
- Quarterly, 1974-1983
- Vol. 36, no. 1-v. 57, no. 2 (Dec. 1995).
Title from cover.
Chemical abstracts 0009-2258
0146-9517 = The NSS bulletin = NSS bull.
NSSBDR
82643983
Caves--Periodicals.
Caving--Periodicals.
სპელეოლოგია პერიოდიკა
GB601 / .A14
551.4/47/05
551.44(05)
Title from cover.
Chemical abstracts 0009-2258
0146-9517 = The NSS bulletin = NSS bull.
NSSBDR
82643983
Caves--Periodicals.
Caving--Periodicals.
სპელეოლოგია პერიოდიკა
GB601 / .A14
551.4/47/05
551.44(05)