In this issue
p. 0493

Doctor's Dilemma - a postscript
p. 0495 | Valiathan, M. S.

Stereolithography: Making 3D plastic objects the light way
p. 0498 | Kumar, G. Sudesh

Homogeneous catalysts for asymmetric synthesis
p. 0503 | Bhaduri, Sumit; Khwaja, Hanif

Automation in plant tissue cluture:problems and prospects
p. 0507 | Sharma, Navin K.

Endothelin-- a novel regulatory peptide
p. 0513 | Shivakumar, K.; Kartha, C. C.

Analysis of landslide sites: Kilbury Road, Kumaun Himalaya, India
p. 0518 | Haugh, Martin J.; Rawat, J. S.; Bartarya, S. K.; Rawat, M. S.

Estimation of excited state dipole moment of substituted coumarins
p. 0522 | Giri, R.; Bajaj, M. M.

Monsoon effect on isotopic composition of atmospheric carbon dioxide
p. 0525 | Bhattacharjee, S. K.; Jani, R. A.

Precambriane-Cambrian boundary in the Tal Formation of Garhwal Lesser Himalaya: Rb-Sr age evidence from black shales underlying phosphorites
p. 0528 | Sharma, Kewal K.; Rao, D. Rameshwar; Azmi, R. J.; Gopalan, K.; Pantulu, G. V. C.

Geodymamic significance of algal oncolites reported from Dras and Lamayuru area of the Indus--Tasangpo collision zone of Ladakh Himalaya, India
p. 0530 | Sinha, A. K.; Upadhyay, R.

Plantlet production from shoot tip cultures of red sandalwood ( Pterocarpus santalinus L. )
p. 0532 | Sita, G. Lakshmi; Sreenatha, K. S.; Sujata, S.

Vincristine can cause gaint cell formation in rat testis
p. 0535 | Stanley, Abraham; Akbarsha, M. A.

A new method to generate different CO₂ concentrations for developing a CO₂ -response curve
p. 0538 | Sheshshayee, M. S.; Shivashankar, K. S.; Ramaswamy, G. S.; Devendra, R.; Shankar, A. G.; Prasad, T. G.; Udayakumar, M.

Defence Science Journal
p. 0540